Home / 64,344.20-96,516.30-31,089.80

Finding the Fourth Proportional to 64,344.20, 96,516.30 and 31,089.80

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Solution

The fourth proportional to 64,344.20, 96,516.30 and 31,089.80 is: 46,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,344.20 : 96,516.30 = 31,089.80 : x
  2. Step 2: Convert to fraction form
    64,344.20/96,516.30 = 31,089.80/x
  3. Step 3: Cross multiply
    64,344.20x = 96,516.30 × 31,089.80
  4. Step 4: Simplify right side
    64,344.20x = 3,000,672,463.74
  5. Step 5: Solve for x
    x = 3,000,672,463.74/64,344.20
  6. Step 6: Final answer
    x = 46,634.70

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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.