Home / 52,721.44-72,754.80-28,849.12

Finding the Fourth Proportional to 52,721.44, 72,754.80 and 28,849.12

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Solution

The fourth proportional to 52,721.44, 72,754.80 and 28,849.12 is: 39,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721.44 : 72,754.80 = 28,849.12 : x
  2. Step 2: Convert to fraction form
    52,721.44/72,754.80 = 28,849.12/x
  3. Step 3: Cross multiply
    52,721.44x = 72,754.80 × 28,849.12
  4. Step 4: Simplify right side
    52,721.44x = 2,098,911,955.78
  5. Step 5: Solve for x
    x = 2,098,911,955.78/52,721.44
  6. Step 6: Final answer
    x = 39,811.35

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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.