Home / 30,875.16-42,607.26-17,445.96

Finding the Fourth Proportional to 30,875.16, 42,607.26 and 17,445.96

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Solution

The fourth proportional to 30,875.16, 42,607.26 and 17,445.96 is: 24,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.16 : 42,607.26 = 17,445.96 : x
  2. Step 2: Convert to fraction form
    30,875.16/42,607.26 = 17,445.96/x
  3. Step 3: Cross multiply
    30,875.16x = 42,607.26 × 17,445.96
  4. Step 4: Simplify right side
    30,875.16x = 743,324,553.67
  5. Step 5: Solve for x
    x = 743,324,553.67/30,875.16
  6. Step 6: Final answer
    x = 24,075.16

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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.