Home / 49,915.66-74,873.18-12,475.53

Finding the Fourth Proportional to 49,915.66, 74,873.18 and 12,475.53

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Solution

The fourth proportional to 49,915.66, 74,873.18 and 12,475.53 is: 18,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,915.66 : 74,873.18 = 12,475.53 : x
  2. Step 2: Convert to fraction form
    49,915.66/74,873.18 = 12,475.53/x
  3. Step 3: Cross multiply
    49,915.66x = 74,873.18 × 12,475.53
  4. Step 4: Simplify right side
    49,915.66x = 934,082,603.29
  5. Step 5: Solve for x
    x = 934,082,603.29/49,915.66
  6. Step 6: Final answer
    x = 18,713.22

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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.