Home / 40,915.24-61,381.02-14,623.72

Finding the Fourth Proportional to 40,915.24, 61,381.02 and 14,623.72

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Solution

The fourth proportional to 40,915.24, 61,381.02 and 14,623.72 is: 21,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.24 : 61,381.02 = 14,623.72 : x
  2. Step 2: Convert to fraction form
    40,915.24/61,381.02 = 14,623.72/x
  3. Step 3: Cross multiply
    40,915.24x = 61,381.02 × 14,623.72
  4. Step 4: Simplify right side
    40,915.24x = 897,618,849.79
  5. Step 5: Solve for x
    x = 897,618,849.79/40,915.24
  6. Step 6: Final answer
    x = 21,938.50

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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.