Home / 52,841.06-72,920.05-28,967.73

Finding the Fourth Proportional to 52,841.06, 72,920.05 and 28,967.73

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Solution

The fourth proportional to 52,841.06, 72,920.05 and 28,967.73 is: 39,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,841.06 : 72,920.05 = 28,967.73 : x
  2. Step 2: Convert to fraction form
    52,841.06/72,920.05 = 28,967.73/x
  3. Step 3: Cross multiply
    52,841.06x = 72,920.05 × 28,967.73
  4. Step 4: Simplify right side
    52,841.06x = 2,112,327,974.12
  5. Step 5: Solve for x
    x = 2,112,327,974.12/52,841.06
  6. Step 6: Final answer
    x = 39,975.13

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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.