Home / 54,488.49-75,194.18-30,615.15

Finding the Fourth Proportional to 54,488.49, 75,194.18 and 30,615.15

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Solution

The fourth proportional to 54,488.49, 75,194.18 and 30,615.15 is: 42,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488.49 : 75,194.18 = 30,615.15 : x
  2. Step 2: Convert to fraction form
    54,488.49/75,194.18 = 30,615.15/x
  3. Step 3: Cross multiply
    54,488.49x = 75,194.18 × 30,615.15
  4. Step 4: Simplify right side
    54,488.49x = 2,302,081,099.83
  5. Step 5: Solve for x
    x = 2,302,081,099.83/54,488.49
  6. Step 6: Final answer
    x = 42,248.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.