Home / 39,431.29-59,155.44-11,351.16

Finding the Fourth Proportional to 39,431.29, 59,155.44 and 11,351.16

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Solution

The fourth proportional to 39,431.29, 59,155.44 and 11,351.16 is: 17,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.29 : 59,155.44 = 11,351.16 : x
  2. Step 2: Convert to fraction form
    39,431.29/59,155.44 = 11,351.16/x
  3. Step 3: Cross multiply
    39,431.29x = 59,155.44 × 11,351.16
  4. Step 4: Simplify right side
    39,431.29x = 671,482,864.31
  5. Step 5: Solve for x
    x = 671,482,864.31/39,431.29
  6. Step 6: Final answer
    x = 17,029.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.