Home / 52,152.87-71,967.95-30,639.27

Finding the Fourth Proportional to 52,152.87, 71,967.95 and 30,639.27

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Solution

The fourth proportional to 52,152.87, 71,967.95 and 30,639.27 is: 42,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152.87 : 71,967.95 = 30,639.27 : x
  2. Step 2: Convert to fraction form
    52,152.87/71,967.95 = 30,639.27/x
  3. Step 3: Cross multiply
    52,152.87x = 71,967.95 × 30,639.27
  4. Step 4: Simplify right side
    52,152.87x = 2,205,045,298.20
  5. Step 5: Solve for x
    x = 2,205,045,298.20/52,152.87
  6. Step 6: Final answer
    x = 42,280.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.