Home / 63,347.20-94,982.40-31,720.48

Finding the Fourth Proportional to 63,347.20, 94,982.40 and 31,720.48

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Solution

The fourth proportional to 63,347.20, 94,982.40 and 31,720.48 is: 47,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,347.20 : 94,982.40 = 31,720.48 : x
  2. Step 2: Convert to fraction form
    63,347.20/94,982.40 = 31,720.48/x
  3. Step 3: Cross multiply
    63,347.20x = 94,982.40 × 31,720.48
  4. Step 4: Simplify right side
    63,347.20x = 3,012,887,319.55
  5. Step 5: Solve for x
    x = 3,012,887,319.55/63,347.20
  6. Step 6: Final answer
    x = 47,561.49

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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.