Home / 32,128.79-48,183.80-12,402.72

Finding the Fourth Proportional to 32,128.79, 48,183.80 and 12,402.72

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Solution

The fourth proportional to 32,128.79, 48,183.80 and 12,402.72 is: 18,600.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.79 : 48,183.80 = 12,402.72 : x
  2. Step 2: Convert to fraction form
    32,128.79/48,183.80 = 12,402.72/x
  3. Step 3: Cross multiply
    32,128.79x = 48,183.80 × 12,402.72
  4. Step 4: Simplify right side
    32,128.79x = 597,610,117.92
  5. Step 5: Solve for x
    x = 597,610,117.92/32,128.79
  6. Step 6: Final answer
    x = 18,600.46

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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.