Home / 40,957.97-61,385-18,444.63

Finding the Fourth Proportional to 40,957.97, 61,385 and 18,444.63

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Solution

The fourth proportional to 40,957.97, 61,385 and 18,444.63 is: 27,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,957.97 : 61,385 = 18,444.63 : x
  2. Step 2: Convert to fraction form
    40,957.97/61,385 = 18,444.63/x
  3. Step 3: Cross multiply
    40,957.97x = 61,385 × 18,444.63
  4. Step 4: Simplify right side
    40,957.97x = 1,132,223,612.55
  5. Step 5: Solve for x
    x = 1,132,223,612.55/40,957.97
  6. Step 6: Final answer
    x = 27,643.55

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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.