Home / 48,465.91-72,693.24-13,408.30

Finding the Fourth Proportional to 48,465.91, 72,693.24 and 13,408.30

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Solution

The fourth proportional to 48,465.91, 72,693.24 and 13,408.30 is: 20,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,465.91 : 72,693.24 = 13,408.30 : x
  2. Step 2: Convert to fraction form
    48,465.91/72,693.24 = 13,408.30/x
  3. Step 3: Cross multiply
    48,465.91x = 72,693.24 × 13,408.30
  4. Step 4: Simplify right side
    48,465.91x = 974,692,769.89
  5. Step 5: Solve for x
    x = 974,692,769.89/48,465.91
  6. Step 6: Final answer
    x = 20,110.89

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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.