Home / 40,891.79-61,312.57-15,902.71

Finding the Fourth Proportional to 40,891.79, 61,312.57 and 15,902.71

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Solution

The fourth proportional to 40,891.79, 61,312.57 and 15,902.71 is: 23,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.79 : 61,312.57 = 15,902.71 : x
  2. Step 2: Convert to fraction form
    40,891.79/61,312.57 = 15,902.71/x
  3. Step 3: Cross multiply
    40,891.79x = 61,312.57 × 15,902.71
  4. Step 4: Simplify right side
    40,891.79x = 975,035,633.99
  5. Step 5: Solve for x
    x = 975,035,633.99/40,891.79
  6. Step 6: Final answer
    x = 23,844.29

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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.