Home / 39,140.86-58,720.23-16,957.93

Finding the Fourth Proportional to 39,140.86, 58,720.23 and 16,957.93

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Solution

The fourth proportional to 39,140.86, 58,720.23 and 16,957.93 is: 25,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.86 : 58,720.23 = 16,957.93 : x
  2. Step 2: Convert to fraction form
    39,140.86/58,720.23 = 16,957.93/x
  3. Step 3: Cross multiply
    39,140.86x = 58,720.23 × 16,957.93
  4. Step 4: Simplify right side
    39,140.86x = 995,773,549.92
  5. Step 5: Solve for x
    x = 995,773,549.92/39,140.86
  6. Step 6: Final answer
    x = 25,440.77

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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.