Home / 52,116.28-71,920.70-28,242.99

Finding the Fourth Proportional to 52,116.28, 71,920.70 and 28,242.99

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Solution

The fourth proportional to 52,116.28, 71,920.70 and 28,242.99 is: 38,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116.28 : 71,920.70 = 28,242.99 : x
  2. Step 2: Convert to fraction form
    52,116.28/71,920.70 = 28,242.99/x
  3. Step 3: Cross multiply
    52,116.28x = 71,920.70 × 28,242.99
  4. Step 4: Simplify right side
    52,116.28x = 2,031,255,610.89
  5. Step 5: Solve for x
    x = 2,031,255,610.89/52,116.28
  6. Step 6: Final answer
    x = 38,975.45

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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.