Home / 52,300.38-78,425.93-18,996.96

Finding the Fourth Proportional to 52,300.38, 78,425.93 and 18,996.96

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Solution

The fourth proportional to 52,300.38, 78,425.93 and 18,996.96 is: 28,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,300.38 : 78,425.93 = 18,996.96 : x
  2. Step 2: Convert to fraction form
    52,300.38/78,425.93 = 18,996.96/x
  3. Step 3: Cross multiply
    52,300.38x = 78,425.93 × 18,996.96
  4. Step 4: Simplify right side
    52,300.38x = 1,489,854,255.17
  5. Step 5: Solve for x
    x = 1,489,854,255.17/52,300.38
  6. Step 6: Final answer
    x = 28,486.49

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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.