Home / 60,721.72-91,038.54-40,951.24

Finding the Fourth Proportional to 60,721.72, 91,038.54 and 40,951.24

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Solution

The fourth proportional to 60,721.72, 91,038.54 and 40,951.24 is: 61,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721.72 : 91,038.54 = 40,951.24 : x
  2. Step 2: Convert to fraction form
    60,721.72/91,038.54 = 40,951.24/x
  3. Step 3: Cross multiply
    60,721.72x = 91,038.54 × 40,951.24
  4. Step 4: Simplify right side
    60,721.72x = 3,728,141,100.79
  5. Step 5: Solve for x
    x = 3,728,141,100.79/60,721.72
  6. Step 6: Final answer
    x = 61,397.16

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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.