Home / 63,258.12-87,287.16-36,390.36

Finding the Fourth Proportional to 63,258.12, 87,287.16 and 36,390.36

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Solution

The fourth proportional to 63,258.12, 87,287.16 and 36,390.36 is: 50,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,258.12 : 87,287.16 = 36,390.36 : x
  2. Step 2: Convert to fraction form
    63,258.12/87,287.16 = 36,390.36/x
  3. Step 3: Cross multiply
    63,258.12x = 87,287.16 × 36,390.36
  4. Step 4: Simplify right side
    63,258.12x = 3,176,411,175.78
  5. Step 5: Solve for x
    x = 3,176,411,175.78/63,258.12
  6. Step 6: Final answer
    x = 50,213.49

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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.