Home / 39,765.59-54,876.63-22,770.10

Finding the Fourth Proportional to 39,765.59, 54,876.63 and 22,770.10

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Solution

The fourth proportional to 39,765.59, 54,876.63 and 22,770.10 is: 31,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.59 : 54,876.63 = 22,770.10 : x
  2. Step 2: Convert to fraction form
    39,765.59/54,876.63 = 22,770.10/x
  3. Step 3: Cross multiply
    39,765.59x = 54,876.63 × 22,770.10
  4. Step 4: Simplify right side
    39,765.59x = 1,249,546,352.76
  5. Step 5: Solve for x
    x = 1,249,546,352.76/39,765.59
  6. Step 6: Final answer
    x = 31,422.80

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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.