Home / 60,378.32-90,439.80-38,180.24

Finding the Fourth Proportional to 60,378.32, 90,439.80 and 38,180.24

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Solution

The fourth proportional to 60,378.32, 90,439.80 and 38,180.24 is: 57,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,378.32 : 90,439.80 = 38,180.24 : x
  2. Step 2: Convert to fraction form
    60,378.32/90,439.80 = 38,180.24/x
  3. Step 3: Cross multiply
    60,378.32x = 90,439.80 × 38,180.24
  4. Step 4: Simplify right side
    60,378.32x = 3,453,013,269.55
  5. Step 5: Solve for x
    x = 3,453,013,269.55/60,378.32
  6. Step 6: Final answer
    x = 57,189.62

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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.