Home / 60,691.02-91,077.75-21,247.98

Finding the Fourth Proportional to 60,691.02, 91,077.75 and 21,247.98

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Solution

The fourth proportional to 60,691.02, 91,077.75 and 21,247.98 is: 31,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691.02 : 91,077.75 = 21,247.98 : x
  2. Step 2: Convert to fraction form
    60,691.02/91,077.75 = 21,247.98/x
  3. Step 3: Cross multiply
    60,691.02x = 91,077.75 × 21,247.98
  4. Step 4: Simplify right side
    60,691.02x = 1,935,218,210.45
  5. Step 5: Solve for x
    x = 1,935,218,210.45/60,691.02
  6. Step 6: Final answer
    x = 31,886.40

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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.