Home / 54,218.39-81,333.08-18,675.06

Finding the Fourth Proportional to 54,218.39, 81,333.08 and 18,675.06

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Solution

The fourth proportional to 54,218.39, 81,333.08 and 18,675.06 is: 28,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218.39 : 81,333.08 = 18,675.06 : x
  2. Step 2: Convert to fraction form
    54,218.39/81,333.08 = 18,675.06/x
  3. Step 3: Cross multiply
    54,218.39x = 81,333.08 × 18,675.06
  4. Step 4: Simplify right side
    54,218.39x = 1,518,900,055.61
  5. Step 5: Solve for x
    x = 1,518,900,055.61/54,218.39
  6. Step 6: Final answer
    x = 28,014.48

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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.