Home / 64,701.12-89,317.76-37,839.92

Finding the Fourth Proportional to 64,701.12, 89,317.76 and 37,839.92

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Solution

The fourth proportional to 64,701.12, 89,317.76 and 37,839.92 is: 52,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,701.12 : 89,317.76 = 37,839.92 : x
  2. Step 2: Convert to fraction form
    64,701.12/89,317.76 = 37,839.92/x
  3. Step 3: Cross multiply
    64,701.12x = 89,317.76 × 37,839.92
  4. Step 4: Simplify right side
    64,701.12x = 3,379,776,892.98
  5. Step 5: Solve for x
    x = 3,379,776,892.98/64,701.12
  6. Step 6: Final answer
    x = 52,236.76

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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.