Home / 40,920.96-61,366.40-14,618.56

Finding the Fourth Proportional to 40,920.96, 61,366.40 and 14,618.56

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Solution

The fourth proportional to 40,920.96, 61,366.40 and 14,618.56 is: 21,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,920.96 : 61,366.40 = 14,618.56 : x
  2. Step 2: Convert to fraction form
    40,920.96/61,366.40 = 14,618.56/x
  3. Step 3: Cross multiply
    40,920.96x = 61,366.40 × 14,618.56
  4. Step 4: Simplify right side
    40,920.96x = 897,088,400.38
  5. Step 5: Solve for x
    x = 897,088,400.38/40,920.96
  6. Step 6: Final answer
    x = 21,922.47

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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.