Home / 52,712.82-72,743.64-28,839.66

Finding the Fourth Proportional to 52,712.82, 72,743.64 and 28,839.66

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Solution

The fourth proportional to 52,712.82, 72,743.64 and 28,839.66 is: 39,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.82 : 72,743.64 = 28,839.66 : x
  2. Step 2: Convert to fraction form
    52,712.82/72,743.64 = 28,839.66/x
  3. Step 3: Cross multiply
    52,712.82x = 72,743.64 × 28,839.66
  4. Step 4: Simplify right side
    52,712.82x = 2,097,901,844.76
  5. Step 5: Solve for x
    x = 2,097,901,844.76/52,712.82
  6. Step 6: Final answer
    x = 39,798.70

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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.