Home / 52,853.76-72,937.66-28,980.38

Finding the Fourth Proportional to 52,853.76, 72,937.66 and 28,980.38

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Solution

The fourth proportional to 52,853.76, 72,937.66 and 28,980.38 is: 39,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.76 : 72,937.66 = 28,980.38 : x
  2. Step 2: Convert to fraction form
    52,853.76/72,937.66 = 28,980.38/x
  3. Step 3: Cross multiply
    52,853.76x = 72,937.66 × 28,980.38
  4. Step 4: Simplify right side
    52,853.76x = 2,113,760,593.52
  5. Step 5: Solve for x
    x = 2,113,760,593.52/52,853.76
  6. Step 6: Final answer
    x = 39,992.62

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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.