Home / 52,639.10-78,937.67-30,468.08

Finding the Fourth Proportional to 52,639.10, 78,937.67 and 30,468.08

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Solution

The fourth proportional to 52,639.10, 78,937.67 and 30,468.08 is: 45,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.10 : 78,937.67 = 30,468.08 : x
  2. Step 2: Convert to fraction form
    52,639.10/78,937.67 = 30,468.08/x
  3. Step 3: Cross multiply
    52,639.10x = 78,937.67 × 30,468.08
  4. Step 4: Simplify right side
    52,639.10x = 2,405,078,697.54
  5. Step 5: Solve for x
    x = 2,405,078,697.54/52,639.10
  6. Step 6: Final answer
    x = 45,689.97

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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.