Home / 71,222.28-98,282.76-38,950.48

Finding the Fourth Proportional to 71,222.28, 98,282.76 and 38,950.48

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Solution

The fourth proportional to 71,222.28, 98,282.76 and 38,950.48 is: 53,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,222.28 : 98,282.76 = 38,950.48 : x
  2. Step 2: Convert to fraction form
    71,222.28/98,282.76 = 38,950.48/x
  3. Step 3: Cross multiply
    71,222.28x = 98,282.76 × 38,950.48
  4. Step 4: Simplify right side
    71,222.28x = 3,828,160,677.72
  5. Step 5: Solve for x
    x = 3,828,160,677.72/71,222.28
  6. Step 6: Final answer
    x = 53,749.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.