Home / 52,404.20-78,606.30-35,815.40

Finding the Fourth Proportional to 52,404.20, 78,606.30 and 35,815.40

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Solution

The fourth proportional to 52,404.20, 78,606.30 and 35,815.40 is: 53,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,404.20 : 78,606.30 = 35,815.40 : x
  2. Step 2: Convert to fraction form
    52,404.20/78,606.30 = 35,815.40/x
  3. Step 3: Cross multiply
    52,404.20x = 78,606.30 × 35,815.40
  4. Step 4: Simplify right side
    52,404.20x = 2,815,316,077.02
  5. Step 5: Solve for x
    x = 2,815,316,077.02/52,404.20
  6. Step 6: Final answer
    x = 53,723.10

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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.