Home / 57,649.32-86,427.02-38,693.50

Finding the Fourth Proportional to 57,649.32, 86,427.02 and 38,693.50

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Solution

The fourth proportional to 57,649.32, 86,427.02 and 38,693.50 is: 58,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,649.32 : 86,427.02 = 38,693.50 : x
  2. Step 2: Convert to fraction form
    57,649.32/86,427.02 = 38,693.50/x
  3. Step 3: Cross multiply
    57,649.32x = 86,427.02 × 38,693.50
  4. Step 4: Simplify right side
    57,649.32x = 3,344,163,898.37
  5. Step 5: Solve for x
    x = 3,344,163,898.37/57,649.32
  6. Step 6: Final answer
    x = 58,008.73

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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.