Home / 48,385.53-66,765.87-28,237.80

Finding the Fourth Proportional to 48,385.53, 66,765.87 and 28,237.80

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Solution

The fourth proportional to 48,385.53, 66,765.87 and 28,237.80 is: 38,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385.53 : 66,765.87 = 28,237.80 : x
  2. Step 2: Convert to fraction form
    48,385.53/66,765.87 = 28,237.80/x
  3. Step 3: Cross multiply
    48,385.53x = 66,765.87 × 28,237.80
  4. Step 4: Simplify right side
    48,385.53x = 1,885,321,283.89
  5. Step 5: Solve for x
    x = 1,885,321,283.89/48,385.53
  6. Step 6: Final answer
    x = 38,964.57

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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.