Home / 52,843.29-72,923.74-28,970.13

Finding the Fourth Proportional to 52,843.29, 72,923.74 and 28,970.13

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Solution

The fourth proportional to 52,843.29, 72,923.74 and 28,970.13 is: 39,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,843.29 : 72,923.74 = 28,970.13 : x
  2. Step 2: Convert to fraction form
    52,843.29/72,923.74 = 28,970.13/x
  3. Step 3: Cross multiply
    52,843.29x = 72,923.74 × 28,970.13
  4. Step 4: Simplify right side
    52,843.29x = 2,112,610,591.88
  5. Step 5: Solve for x
    x = 2,112,610,591.88/52,843.29
  6. Step 6: Final answer
    x = 39,978.78

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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.