Home / 63,142.47-94,647.06-21,011.22

Finding the Fourth Proportional to 63,142.47, 94,647.06 and 21,011.22

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Solution

The fourth proportional to 63,142.47, 94,647.06 and 21,011.22 is: 31,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,142.47 : 94,647.06 = 21,011.22 : x
  2. Step 2: Convert to fraction form
    63,142.47/94,647.06 = 21,011.22/x
  3. Step 3: Cross multiply
    63,142.47x = 94,647.06 × 21,011.22
  4. Step 4: Simplify right side
    63,142.47x = 1,988,650,200.01
  5. Step 5: Solve for x
    x = 1,988,650,200.01/63,142.47
  6. Step 6: Final answer
    x = 31,494.65

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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.