Home / 51,248.40-76,872.60-49,280.10

Finding the Fourth Proportional to 51,248.40, 76,872.60 and 49,280.10

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Solution

The fourth proportional to 51,248.40, 76,872.60 and 49,280.10 is: 73,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.40 : 76,872.60 = 49,280.10 : x
  2. Step 2: Convert to fraction form
    51,248.40/76,872.60 = 49,280.10/x
  3. Step 3: Cross multiply
    51,248.40x = 76,872.60 × 49,280.10
  4. Step 4: Simplify right side
    51,248.40x = 3,788,289,415.26
  5. Step 5: Solve for x
    x = 3,788,289,415.26/51,248.40
  6. Step 6: Final answer
    x = 73,920.15

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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.