Home / 52,427.34-78,641.52-14,987.15

Finding the Fourth Proportional to 52,427.34, 78,641.52 and 14,987.15

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Solution

The fourth proportional to 52,427.34, 78,641.52 and 14,987.15 is: 22,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,427.34 : 78,641.52 = 14,987.15 : x
  2. Step 2: Convert to fraction form
    52,427.34/78,641.52 = 14,987.15/x
  3. Step 3: Cross multiply
    52,427.34x = 78,641.52 × 14,987.15
  4. Step 4: Simplify right side
    52,427.34x = 1,178,612,453.07
  5. Step 5: Solve for x
    x = 1,178,612,453.07/52,427.34
  6. Step 6: Final answer
    x = 22,480.87

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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.