Home / 42,427.42-63,330.97-39,343.66

Finding the Fourth Proportional to 42,427.42, 63,330.97 and 39,343.66

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Solution

The fourth proportional to 42,427.42, 63,330.97 and 39,343.66 is: 58,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,427.42 : 63,330.97 = 39,343.66 : x
  2. Step 2: Convert to fraction form
    42,427.42/63,330.97 = 39,343.66/x
  3. Step 3: Cross multiply
    42,427.42x = 63,330.97 × 39,343.66
  4. Step 4: Simplify right side
    42,427.42x = 2,491,671,954.43
  5. Step 5: Solve for x
    x = 2,491,671,954.43/42,427.42
  6. Step 6: Final answer
    x = 58,727.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.