Home / 47,542.40-65,587.90-28,669.04

Finding the Fourth Proportional to 47,542.40, 65,587.90 and 28,669.04

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Solution

The fourth proportional to 47,542.40, 65,587.90 and 28,669.04 is: 39,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,542.40 : 65,587.90 = 28,669.04 : x
  2. Step 2: Convert to fraction form
    47,542.40/65,587.90 = 28,669.04/x
  3. Step 3: Cross multiply
    47,542.40x = 65,587.90 × 28,669.04
  4. Step 4: Simplify right side
    47,542.40x = 1,880,342,128.62
  5. Step 5: Solve for x
    x = 1,880,342,128.62/47,542.40
  6. Step 6: Final answer
    x = 39,550.85

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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.