Home / 32,151.24-48,229.92-12,429.36

Finding the Fourth Proportional to 32,151.24, 48,229.92 and 12,429.36

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Solution

The fourth proportional to 32,151.24, 48,229.92 and 12,429.36 is: 18,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,151.24 : 48,229.92 = 12,429.36 : x
  2. Step 2: Convert to fraction form
    32,151.24/48,229.92 = 12,429.36/x
  3. Step 3: Cross multiply
    32,151.24x = 48,229.92 × 12,429.36
  4. Step 4: Simplify right side
    32,151.24x = 599,467,038.45
  5. Step 5: Solve for x
    x = 599,467,038.45/32,151.24
  6. Step 6: Final answer
    x = 18,645.22

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1.5x scale

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.