Home / 48,420.60-72,635.09-13,360.26

Finding the Fourth Proportional to 48,420.60, 72,635.09 and 13,360.26

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Solution

The fourth proportional to 48,420.60, 72,635.09 and 13,360.26 is: 20,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420.60 : 72,635.09 = 13,360.26 : x
  2. Step 2: Convert to fraction form
    48,420.60/72,635.09 = 13,360.26/x
  3. Step 3: Cross multiply
    48,420.60x = 72,635.09 × 13,360.26
  4. Step 4: Simplify right side
    48,420.60x = 970,423,257.55
  5. Step 5: Solve for x
    x = 970,423,257.55/48,420.60
  6. Step 6: Final answer
    x = 20,041.54

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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.