Home / 54,348.74-81,526.59-18,813.48

Finding the Fourth Proportional to 54,348.74, 81,526.59 and 18,813.48

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Solution

The fourth proportional to 54,348.74, 81,526.59 and 18,813.48 is: 28,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348.74 : 81,526.59 = 18,813.48 : x
  2. Step 2: Convert to fraction form
    54,348.74/81,526.59 = 18,813.48/x
  3. Step 3: Cross multiply
    54,348.74x = 81,526.59 × 18,813.48
  4. Step 4: Simplify right side
    54,348.74x = 1,533,798,870.43
  5. Step 5: Solve for x
    x = 1,533,798,870.43/54,348.74
  6. Step 6: Final answer
    x = 28,221.42

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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.