Home / 30,233.16-41,720.40-16,804.35

Finding the Fourth Proportional to 30,233.16, 41,720.40 and 16,804.35

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Solution

The fourth proportional to 30,233.16, 41,720.40 and 16,804.35 is: 23,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.16 : 41,720.40 = 16,804.35 : x
  2. Step 2: Convert to fraction form
    30,233.16/41,720.40 = 16,804.35/x
  3. Step 3: Cross multiply
    30,233.16x = 41,720.40 × 16,804.35
  4. Step 4: Simplify right side
    30,233.16x = 701,084,203.74
  5. Step 5: Solve for x
    x = 701,084,203.74/30,233.16
  6. Step 6: Final answer
    x = 23,189.25

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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.