Home / 60,442.16-90,660.47-21,002.36

Finding the Fourth Proportional to 60,442.16, 90,660.47 and 21,002.36

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Solution

The fourth proportional to 60,442.16, 90,660.47 and 21,002.36 is: 31,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,442.16 : 90,660.47 = 21,002.36 : x
  2. Step 2: Convert to fraction form
    60,442.16/90,660.47 = 21,002.36/x
  3. Step 3: Cross multiply
    60,442.16x = 90,660.47 × 21,002.36
  4. Step 4: Simplify right side
    60,442.16x = 1,904,083,270.40
  5. Step 5: Solve for x
    x = 1,904,083,270.40/60,442.16
  6. Step 6: Final answer
    x = 31,502.57

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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.