Home / 54,366.80-81,530.63-18,818.46

Finding the Fourth Proportional to 54,366.80, 81,530.63 and 18,818.46

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Solution

The fourth proportional to 54,366.80, 81,530.63 and 18,818.46 is: 28,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,366.80 : 81,530.63 = 18,818.46 : x
  2. Step 2: Convert to fraction form
    54,366.80/81,530.63 = 18,818.46/x
  3. Step 3: Cross multiply
    54,366.80x = 81,530.63 × 18,818.46
  4. Step 4: Simplify right side
    54,366.80x = 1,534,280,899.43
  5. Step 5: Solve for x
    x = 1,534,280,899.43/54,366.80
  6. Step 6: Final answer
    x = 28,220.92

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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.