Home / 32,854.79-49,286.29-12,861.70

Finding the Fourth Proportional to 32,854.79, 49,286.29 and 12,861.70

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Solution

The fourth proportional to 32,854.79, 49,286.29 and 12,861.70 is: 19,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,854.79 : 49,286.29 = 12,861.70 : x
  2. Step 2: Convert to fraction form
    32,854.79/49,286.29 = 12,861.70/x
  3. Step 3: Cross multiply
    32,854.79x = 49,286.29 × 12,861.70
  4. Step 4: Simplify right side
    32,854.79x = 633,905,465.37
  5. Step 5: Solve for x
    x = 633,905,465.37/32,854.79
  6. Step 6: Final answer
    x = 19,294.16

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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.