Home / 39,457.13-54,413.78-29,407.86

Finding the Fourth Proportional to 39,457.13, 54,413.78 and 29,407.86

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Solution

The fourth proportional to 39,457.13, 54,413.78 and 29,407.86 is: 40,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,457.13 : 54,413.78 = 29,407.86 : x
  2. Step 2: Convert to fraction form
    39,457.13/54,413.78 = 29,407.86/x
  3. Step 3: Cross multiply
    39,457.13x = 54,413.78 × 29,407.86
  4. Step 4: Simplify right side
    39,457.13x = 1,600,192,677.27
  5. Step 5: Solve for x
    x = 1,600,192,677.27/39,457.13
  6. Step 6: Final answer
    x = 40,555.23

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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.