Home / 63,238.71-87,258.02-40,869.75

Finding the Fourth Proportional to 63,238.71, 87,258.02 and 40,869.75

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Solution

The fourth proportional to 63,238.71, 87,258.02 and 40,869.75 is: 56,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,238.71 : 87,258.02 = 40,869.75 : x
  2. Step 2: Convert to fraction form
    63,238.71/87,258.02 = 40,869.75/x
  3. Step 3: Cross multiply
    63,238.71x = 87,258.02 × 40,869.75
  4. Step 4: Simplify right side
    63,238.71x = 3,566,213,258.55
  5. Step 5: Solve for x
    x = 3,566,213,258.55/63,238.71
  6. Step 6: Final answer
    x = 56,392.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.