Home / 40,238.60-60,349.28-13,582.17

Finding the Fourth Proportional to 40,238.60, 60,349.28 and 13,582.17

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Solution

The fourth proportional to 40,238.60, 60,349.28 and 13,582.17 is: 20,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,238.60 : 60,349.28 = 13,582.17 : x
  2. Step 2: Convert to fraction form
    40,238.60/60,349.28 = 13,582.17/x
  3. Step 3: Cross multiply
    40,238.60x = 60,349.28 × 13,582.17
  4. Step 4: Simplify right side
    40,238.60x = 819,674,112.43
  5. Step 5: Solve for x
    x = 819,674,112.43/40,238.60
  6. Step 6: Final answer
    x = 20,370.35

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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.