Home / 32,359.76-48,561.60-12,638.24

Finding the Fourth Proportional to 32,359.76, 48,561.60 and 12,638.24

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Solution

The fourth proportional to 32,359.76, 48,561.60 and 12,638.24 is: 18,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,359.76 : 48,561.60 = 12,638.24 : x
  2. Step 2: Convert to fraction form
    32,359.76/48,561.60 = 12,638.24/x
  3. Step 3: Cross multiply
    32,359.76x = 48,561.60 × 12,638.24
  4. Step 4: Simplify right side
    32,359.76x = 613,733,155.58
  5. Step 5: Solve for x
    x = 613,733,155.58/32,359.76
  6. Step 6: Final answer
    x = 18,965.94

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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.