Home / 48,423.81-72,639.90-13,363.47

Finding the Fourth Proportional to 48,423.81, 72,639.90 and 13,363.47

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Solution

The fourth proportional to 48,423.81, 72,639.90 and 13,363.47 is: 20,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,423.81 : 72,639.90 = 13,363.47 : x
  2. Step 2: Convert to fraction form
    48,423.81/72,639.90 = 13,363.47/x
  3. Step 3: Cross multiply
    48,423.81x = 72,639.90 × 13,363.47
  4. Step 4: Simplify right side
    48,423.81x = 970,721,124.45
  5. Step 5: Solve for x
    x = 970,721,124.45/48,423.81
  6. Step 6: Final answer
    x = 20,046.36

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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.