Home / 52,127.55-71,935.76-28,254.15

Finding the Fourth Proportional to 52,127.55, 71,935.76 and 28,254.15

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Solution

The fourth proportional to 52,127.55, 71,935.76 and 28,254.15 is: 38,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127.55 : 71,935.76 = 28,254.15 : x
  2. Step 2: Convert to fraction form
    52,127.55/71,935.76 = 28,254.15/x
  3. Step 3: Cross multiply
    52,127.55x = 71,935.76 × 28,254.15
  4. Step 4: Simplify right side
    52,127.55x = 2,032,483,824.04
  5. Step 5: Solve for x
    x = 2,032,483,824.04/52,127.55
  6. Step 6: Final answer
    x = 38,990.59

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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.