Home / 66,624.30-91,941.51-38,328.06

Finding the Fourth Proportional to 66,624.30, 91,941.51 and 38,328.06

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Solution

The fourth proportional to 66,624.30, 91,941.51 and 38,328.06 is: 52,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,624.30 : 91,941.51 = 38,328.06 : x
  2. Step 2: Convert to fraction form
    66,624.30/91,941.51 = 38,328.06/x
  3. Step 3: Cross multiply
    66,624.30x = 91,941.51 × 38,328.06
  4. Step 4: Simplify right side
    66,624.30x = 3,523,939,711.77
  5. Step 5: Solve for x
    x = 3,523,939,711.77/66,624.30
  6. Step 6: Final answer
    x = 52,892.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.