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Finding the Fourth Proportional to 32,881.40, 49,327.02 and 12,103.32

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Solution

The fourth proportional to 32,881.40, 49,327.02 and 12,103.32 is: 18,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.40 : 49,327.02 = 12,103.32 : x
  2. Step 2: Convert to fraction form
    32,881.40/49,327.02 = 12,103.32/x
  3. Step 3: Cross multiply
    32,881.40x = 49,327.02 × 12,103.32
  4. Step 4: Simplify right side
    32,881.40x = 597,020,707.71
  5. Step 5: Solve for x
    x = 597,020,707.71/32,881.40
  6. Step 6: Final answer
    x = 18,156.79

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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.