Home / 40,816.40-61,225.32-15,853.76

Finding the Fourth Proportional to 40,816.40, 61,225.32 and 15,853.76

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Solution

The fourth proportional to 40,816.40, 61,225.32 and 15,853.76 is: 23,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,816.40 : 61,225.32 = 15,853.76 : x
  2. Step 2: Convert to fraction form
    40,816.40/61,225.32 = 15,853.76/x
  3. Step 3: Cross multiply
    40,816.40x = 61,225.32 × 15,853.76
  4. Step 4: Simplify right side
    40,816.40x = 970,651,529.20
  5. Step 5: Solve for x
    x = 970,651,529.20/40,816.40
  6. Step 6: Final answer
    x = 23,780.92

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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.