Home / 30,759.85-42,445.42-17,333.19

Finding the Fourth Proportional to 30,759.85, 42,445.42 and 17,333.19

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Solution

The fourth proportional to 30,759.85, 42,445.42 and 17,333.19 is: 23,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.85 : 42,445.42 = 17,333.19 : x
  2. Step 2: Convert to fraction form
    30,759.85/42,445.42 = 17,333.19/x
  3. Step 3: Cross multiply
    30,759.85x = 42,445.42 × 17,333.19
  4. Step 4: Simplify right side
    30,759.85x = 735,714,486.16
  5. Step 5: Solve for x
    x = 735,714,486.16/30,759.85
  6. Step 6: Final answer
    x = 23,918.01

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Half scale
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Double scale
Find fourth proportional to 30,760.85, 42,446.80 and 17,334.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.