Home / 31,561.80-47,261.76-30,627.48

Finding the Fourth Proportional to 31,561.80, 47,261.76 and 30,627.48

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Solution

The fourth proportional to 31,561.80, 47,261.76 and 30,627.48 is: 45,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561.80 : 47,261.76 = 30,627.48 : x
  2. Step 2: Convert to fraction form
    31,561.80/47,261.76 = 30,627.48/x
  3. Step 3: Cross multiply
    31,561.80x = 47,261.76 × 30,627.48
  4. Step 4: Simplify right side
    31,561.80x = 1,447,508,609.16
  5. Step 5: Solve for x
    x = 1,447,508,609.16/31,561.80
  6. Step 6: Final answer
    x = 45,862.68

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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.