Home / 45,247.40-67,854.84-15,657.20

Finding the Fourth Proportional to 45,247.40, 67,854.84 and 15,657.20

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Solution

The fourth proportional to 45,247.40, 67,854.84 and 15,657.20 is: 23,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,247.40 : 67,854.84 = 15,657.20 : x
  2. Step 2: Convert to fraction form
    45,247.40/67,854.84 = 15,657.20/x
  3. Step 3: Cross multiply
    45,247.40x = 67,854.84 × 15,657.20
  4. Step 4: Simplify right side
    45,247.40x = 1,062,416,800.85
  5. Step 5: Solve for x
    x = 1,062,416,800.85/45,247.40
  6. Step 6: Final answer
    x = 23,480.17

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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.