Home / 52,371.20-78,540.48-17,302.40

Finding the Fourth Proportional to 52,371.20, 78,540.48 and 17,302.40

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Solution

The fourth proportional to 52,371.20, 78,540.48 and 17,302.40 is: 25,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,371.20 : 78,540.48 = 17,302.40 : x
  2. Step 2: Convert to fraction form
    52,371.20/78,540.48 = 17,302.40/x
  3. Step 3: Cross multiply
    52,371.20x = 78,540.48 × 17,302.40
  4. Step 4: Simplify right side
    52,371.20x = 1,358,938,801.15
  5. Step 5: Solve for x
    x = 1,358,938,801.15/52,371.20
  6. Step 6: Final answer
    x = 25,948.21

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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.