Home / 52,114.16-71,917.80-30,618.38

Finding the Fourth Proportional to 52,114.16, 71,917.80 and 30,618.38

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Solution

The fourth proportional to 52,114.16, 71,917.80 and 30,618.38 is: 42,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,114.16 : 71,917.80 = 30,618.38 : x
  2. Step 2: Convert to fraction form
    52,114.16/71,917.80 = 30,618.38/x
  3. Step 3: Cross multiply
    52,114.16x = 71,917.80 × 30,618.38
  4. Step 4: Simplify right side
    52,114.16x = 2,202,006,529.16
  5. Step 5: Solve for x
    x = 2,202,006,529.16/52,114.16
  6. Step 6: Final answer
    x = 42,253.52

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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.