Home / 48,419.50-72,629.26-15,587.50

Finding the Fourth Proportional to 48,419.50, 72,629.26 and 15,587.50

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Solution

The fourth proportional to 48,419.50, 72,629.26 and 15,587.50 is: 23,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,419.50 : 72,629.26 = 15,587.50 : x
  2. Step 2: Convert to fraction form
    48,419.50/72,629.26 = 15,587.50/x
  3. Step 3: Cross multiply
    48,419.50x = 72,629.26 × 15,587.50
  4. Step 4: Simplify right side
    48,419.50x = 1,132,108,590.25
  5. Step 5: Solve for x
    x = 1,132,108,590.25/48,419.50
  6. Step 6: Final answer
    x = 23,381.25

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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.