Home / 52,425.64-78,659.34-19,147.96

Finding the Fourth Proportional to 52,425.64, 78,659.34 and 19,147.96

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Solution

The fourth proportional to 52,425.64, 78,659.34 and 19,147.96 is: 28,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,425.64 : 78,659.34 = 19,147.96 : x
  2. Step 2: Convert to fraction form
    52,425.64/78,659.34 = 19,147.96/x
  3. Step 3: Cross multiply
    52,425.64x = 78,659.34 × 19,147.96
  4. Step 4: Simplify right side
    52,425.64x = 1,506,165,895.95
  5. Step 5: Solve for x
    x = 1,506,165,895.95/52,425.64
  6. Step 6: Final answer
    x = 28,729.57

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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.