Home / 52,572.20-78,858.29-15,636.20

Finding the Fourth Proportional to 52,572.20, 78,858.29 and 15,636.20

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Solution

The fourth proportional to 52,572.20, 78,858.29 and 15,636.20 is: 23,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,572.20 : 78,858.29 = 15,636.20 : x
  2. Step 2: Convert to fraction form
    52,572.20/78,858.29 = 15,636.20/x
  3. Step 3: Cross multiply
    52,572.20x = 78,858.29 × 15,636.20
  4. Step 4: Simplify right side
    52,572.20x = 1,233,043,638.90
  5. Step 5: Solve for x
    x = 1,233,043,638.90/52,572.20
  6. Step 6: Final answer
    x = 23,454.29

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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.