Home / 48,337.21-72,509.27-20,228.96

Finding the Fourth Proportional to 48,337.21, 72,509.27 and 20,228.96

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Solution

The fourth proportional to 48,337.21, 72,509.27 and 20,228.96 is: 30,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,337.21 : 72,509.27 = 20,228.96 : x
  2. Step 2: Convert to fraction form
    48,337.21/72,509.27 = 20,228.96/x
  3. Step 3: Cross multiply
    48,337.21x = 72,509.27 × 20,228.96
  4. Step 4: Simplify right side
    48,337.21x = 1,466,787,444.94
  5. Step 5: Solve for x
    x = 1,466,787,444.94/48,337.21
  6. Step 6: Final answer
    x = 30,344.89

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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.