Home / 39,629.40-59,444.10-13,331.40

Finding the Fourth Proportional to 39,629.40, 59,444.10 and 13,331.40

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Solution

The fourth proportional to 39,629.40, 59,444.10 and 13,331.40 is: 19,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,629.40 : 59,444.10 = 13,331.40 : x
  2. Step 2: Convert to fraction form
    39,629.40/59,444.10 = 13,331.40/x
  3. Step 3: Cross multiply
    39,629.40x = 59,444.10 × 13,331.40
  4. Step 4: Simplify right side
    39,629.40x = 792,473,074.74
  5. Step 5: Solve for x
    x = 792,473,074.74/39,629.40
  6. Step 6: Final answer
    x = 19,997.10

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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.