Home / 48,398.92-72,587.43-18,402.45

Finding the Fourth Proportional to 48,398.92, 72,587.43 and 18,402.45

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Solution

The fourth proportional to 48,398.92, 72,587.43 and 18,402.45 is: 27,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,398.92 : 72,587.43 = 18,402.45 : x
  2. Step 2: Convert to fraction form
    48,398.92/72,587.43 = 18,402.45/x
  3. Step 3: Cross multiply
    48,398.92x = 72,587.43 × 18,402.45
  4. Step 4: Simplify right side
    48,398.92x = 1,335,786,763.50
  5. Step 5: Solve for x
    x = 1,335,786,763.50/48,398.92
  6. Step 6: Final answer
    x = 27,599.52

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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.