Home / 71,715.66-107,499.38-27,330.50

Finding the Fourth Proportional to 71,715.66, 107,499.38 and 27,330.50

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Solution

The fourth proportional to 71,715.66, 107,499.38 and 27,330.50 is: 40,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,715.66 : 107,499.38 = 27,330.50 : x
  2. Step 2: Convert to fraction form
    71,715.66/107,499.38 = 27,330.50/x
  3. Step 3: Cross multiply
    71,715.66x = 107,499.38 × 27,330.50
  4. Step 4: Simplify right side
    71,715.66x = 2,938,011,130.94
  5. Step 5: Solve for x
    x = 2,938,011,130.94/71,715.66
  6. Step 6: Final answer
    x = 40,967.50

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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.