Home / 42,544.08-63,932.76-40,128.66

Finding the Fourth Proportional to 42,544.08, 63,932.76 and 40,128.66

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Solution

The fourth proportional to 42,544.08, 63,932.76 and 40,128.66 is: 60,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,544.08 : 63,932.76 = 40,128.66 : x
  2. Step 2: Convert to fraction form
    42,544.08/63,932.76 = 40,128.66/x
  3. Step 3: Cross multiply
    42,544.08x = 63,932.76 × 40,128.66
  4. Step 4: Simplify right side
    42,544.08x = 2,565,535,988.90
  5. Step 5: Solve for x
    x = 2,565,535,988.90/42,544.08
  6. Step 6: Final answer
    x = 60,303.01

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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.