Home / 71,037.24-106,573.40-21,117.12

Finding the Fourth Proportional to 71,037.24, 106,573.40 and 21,117.12

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Solution

The fourth proportional to 71,037.24, 106,573.40 and 21,117.12 is: 31,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.24 : 106,573.40 = 21,117.12 : x
  2. Step 2: Convert to fraction form
    71,037.24/106,573.40 = 21,117.12/x
  3. Step 3: Cross multiply
    71,037.24x = 106,573.40 × 21,117.12
  4. Step 4: Simplify right side
    71,037.24x = 2,250,523,276.61
  5. Step 5: Solve for x
    x = 2,250,523,276.61/71,037.24
  6. Step 6: Final answer
    x = 31,680.89

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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.