Home / 52,186.68-72,018.11-28,313.55

Finding the Fourth Proportional to 52,186.68, 72,018.11 and 28,313.55

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Solution

The fourth proportional to 52,186.68, 72,018.11 and 28,313.55 is: 39,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186.68 : 72,018.11 = 28,313.55 : x
  2. Step 2: Convert to fraction form
    52,186.68/72,018.11 = 28,313.55/x
  3. Step 3: Cross multiply
    52,186.68x = 72,018.11 × 28,313.55
  4. Step 4: Simplify right side
    52,186.68x = 2,039,088,429.17
  5. Step 5: Solve for x
    x = 2,039,088,429.17/52,186.68
  6. Step 6: Final answer
    x = 39,072.97

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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.