Home / 51,227.83-76,841.74-13,787.98

Finding the Fourth Proportional to 51,227.83, 76,841.74 and 13,787.98

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Solution

The fourth proportional to 51,227.83, 76,841.74 and 13,787.98 is: 20,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,227.83 : 76,841.74 = 13,787.98 : x
  2. Step 2: Convert to fraction form
    51,227.83/76,841.74 = 13,787.98/x
  3. Step 3: Cross multiply
    51,227.83x = 76,841.74 × 13,787.98
  4. Step 4: Simplify right side
    51,227.83x = 1,059,492,374.29
  5. Step 5: Solve for x
    x = 1,059,492,374.29/51,227.83
  6. Step 6: Final answer
    x = 20,681.97

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1.5x scale

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.