Home / 54,608.12-81,931.54-31,254.20

Finding the Fourth Proportional to 54,608.12, 81,931.54 and 31,254.20

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Solution

The fourth proportional to 54,608.12, 81,931.54 and 31,254.20 is: 46,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,608.12 : 81,931.54 = 31,254.20 : x
  2. Step 2: Convert to fraction form
    54,608.12/81,931.54 = 31,254.20/x
  3. Step 3: Cross multiply
    54,608.12x = 81,931.54 × 31,254.20
  4. Step 4: Simplify right side
    54,608.12x = 2,560,704,737.47
  5. Step 5: Solve for x
    x = 2,560,704,737.47/54,608.12
  6. Step 6: Final answer
    x = 46,892.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.