Home / 54,214.67-81,306.40-18,674.55

Finding the Fourth Proportional to 54,214.67, 81,306.40 and 18,674.55

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Solution

The fourth proportional to 54,214.67, 81,306.40 and 18,674.55 is: 28,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,214.67 : 81,306.40 = 18,674.55 : x
  2. Step 2: Convert to fraction form
    54,214.67/81,306.40 = 18,674.55/x
  3. Step 3: Cross multiply
    54,214.67x = 81,306.40 × 18,674.55
  4. Step 4: Simplify right side
    54,214.67x = 1,518,360,341.67
  5. Step 5: Solve for x
    x = 1,518,360,341.67/54,214.67
  6. Step 6: Final answer
    x = 28,006.45

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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.