Home / 47,503.60-65,542.67-28,375.55

Finding the Fourth Proportional to 47,503.60, 65,542.67 and 28,375.55

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Solution

The fourth proportional to 47,503.60, 65,542.67 and 28,375.55 is: 39,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,503.60 : 65,542.67 = 28,375.55 : x
  2. Step 2: Convert to fraction form
    47,503.60/65,542.67 = 28,375.55/x
  3. Step 3: Cross multiply
    47,503.60x = 65,542.67 × 28,375.55
  4. Step 4: Simplify right side
    47,503.60x = 1,859,808,840.13
  5. Step 5: Solve for x
    x = 1,859,808,840.13/47,503.60
  6. Step 6: Final answer
    x = 39,150.91

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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.