Home / 60,437.32-90,672.38-18,315.70

Finding the Fourth Proportional to 60,437.32, 90,672.38 and 18,315.70

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Solution

The fourth proportional to 60,437.32, 90,672.38 and 18,315.70 is: 27,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,437.32 : 90,672.38 = 18,315.70 : x
  2. Step 2: Convert to fraction form
    60,437.32/90,672.38 = 18,315.70/x
  3. Step 3: Cross multiply
    60,437.32x = 90,672.38 × 18,315.70
  4. Step 4: Simplify right side
    60,437.32x = 1,660,727,565.43
  5. Step 5: Solve for x
    x = 1,660,727,565.43/60,437.32
  6. Step 6: Final answer
    x = 27,478.51

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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.