Home / 48,378.38-72,595.56-20,295.92

Finding the Fourth Proportional to 48,378.38, 72,595.56 and 20,295.92

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Solution

The fourth proportional to 48,378.38, 72,595.56 and 20,295.92 is: 30,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,378.38 : 72,595.56 = 20,295.92 : x
  2. Step 2: Convert to fraction form
    48,378.38/72,595.56 = 20,295.92/x
  3. Step 3: Cross multiply
    48,378.38x = 72,595.56 × 20,295.92
  4. Step 4: Simplify right side
    48,378.38x = 1,473,393,678.12
  5. Step 5: Solve for x
    x = 1,473,393,678.12/48,378.38
  6. Step 6: Final answer
    x = 30,455.62

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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.