Home / 66,073.84-99,117.24-21,700.72

Finding the Fourth Proportional to 66,073.84, 99,117.24 and 21,700.72

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Solution

The fourth proportional to 66,073.84, 99,117.24 and 21,700.72 is: 32,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073.84 : 99,117.24 = 21,700.72 : x
  2. Step 2: Convert to fraction form
    66,073.84/99,117.24 = 21,700.72/x
  3. Step 3: Cross multiply
    66,073.84x = 99,117.24 × 21,700.72
  4. Step 4: Simplify right side
    66,073.84x = 2,150,915,472.41
  5. Step 5: Solve for x
    x = 2,150,915,472.41/66,073.84
  6. Step 6: Final answer
    x = 32,553.21

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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.