Home / 52,199.21-72,034.13-30,691.38

Finding the Fourth Proportional to 52,199.21, 72,034.13 and 30,691.38

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Solution

The fourth proportional to 52,199.21, 72,034.13 and 30,691.38 is: 42,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,199.21 : 72,034.13 = 30,691.38 : x
  2. Step 2: Convert to fraction form
    52,199.21/72,034.13 = 30,691.38/x
  3. Step 3: Cross multiply
    52,199.21x = 72,034.13 × 30,691.38
  4. Step 4: Simplify right side
    52,199.21x = 2,210,826,703.34
  5. Step 5: Solve for x
    x = 2,210,826,703.34/52,199.21
  6. Step 6: Final answer
    x = 42,353.65

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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.