Home / 63,371.88-87,462.18-40,090.32

Finding the Fourth Proportional to 63,371.88, 87,462.18 and 40,090.32

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Solution

The fourth proportional to 63,371.88, 87,462.18 and 40,090.32 is: 55,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,371.88 : 87,462.18 = 40,090.32 : x
  2. Step 2: Convert to fraction form
    63,371.88/87,462.18 = 40,090.32/x
  3. Step 3: Cross multiply
    63,371.88x = 87,462.18 × 40,090.32
  4. Step 4: Simplify right side
    63,371.88x = 3,506,386,784.10
  5. Step 5: Solve for x
    x = 3,506,386,784.10/63,371.88
  6. Step 6: Final answer
    x = 55,330.33

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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.