Home / 40,824.74-61,244.29-18,640.36

Finding the Fourth Proportional to 40,824.74, 61,244.29 and 18,640.36

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Solution

The fourth proportional to 40,824.74, 61,244.29 and 18,640.36 is: 27,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,824.74 : 61,244.29 = 18,640.36 : x
  2. Step 2: Convert to fraction form
    40,824.74/61,244.29 = 18,640.36/x
  3. Step 3: Cross multiply
    40,824.74x = 61,244.29 × 18,640.36
  4. Step 4: Simplify right side
    40,824.74x = 1,141,615,608.55
  5. Step 5: Solve for x
    x = 1,141,615,608.55/40,824.74
  6. Step 6: Final answer
    x = 27,963.82

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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.