Home / 39,413.47-59,123.85-15,715.30

Finding the Fourth Proportional to 39,413.47, 59,123.85 and 15,715.30

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Solution

The fourth proportional to 39,413.47, 59,123.85 and 15,715.30 is: 23,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.47 : 59,123.85 = 15,715.30 : x
  2. Step 2: Convert to fraction form
    39,413.47/59,123.85 = 15,715.30/x
  3. Step 3: Cross multiply
    39,413.47x = 59,123.85 × 15,715.30
  4. Step 4: Simplify right side
    39,413.47x = 929,149,039.91
  5. Step 5: Solve for x
    x = 929,149,039.91/39,413.47
  6. Step 6: Final answer
    x = 23,574.40

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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.