Home / 63,985.62-95,888.22-30,215.60

Finding the Fourth Proportional to 63,985.62, 95,888.22 and 30,215.60

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Solution

The fourth proportional to 63,985.62, 95,888.22 and 30,215.60 is: 45,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,985.62 : 95,888.22 = 30,215.60 : x
  2. Step 2: Convert to fraction form
    63,985.62/95,888.22 = 30,215.60/x
  3. Step 3: Cross multiply
    63,985.62x = 95,888.22 × 30,215.60
  4. Step 4: Simplify right side
    63,985.62x = 2,897,320,100.23
  5. Step 5: Solve for x
    x = 2,897,320,100.23/63,985.62
  6. Step 6: Final answer
    x = 45,280.80

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1.5x scale

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.