Home / 63,021.97-94,500.80-20,887.05

Finding the Fourth Proportional to 63,021.97, 94,500.80 and 20,887.05

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Solution

The fourth proportional to 63,021.97, 94,500.80 and 20,887.05 is: 31,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021.97 : 94,500.80 = 20,887.05 : x
  2. Step 2: Convert to fraction form
    63,021.97/94,500.80 = 20,887.05/x
  3. Step 3: Cross multiply
    63,021.97x = 94,500.80 × 20,887.05
  4. Step 4: Simplify right side
    63,021.97x = 1,973,842,934.64
  5. Step 5: Solve for x
    x = 1,973,842,934.64/63,021.97
  6. Step 6: Final answer
    x = 31,319.92

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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.