Home / 29,683.18-40,951.60-19,479.88

Finding the Fourth Proportional to 29,683.18, 40,951.60 and 19,479.88

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Solution

The fourth proportional to 29,683.18, 40,951.60 and 19,479.88 is: 26,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,683.18 : 40,951.60 = 19,479.88 : x
  2. Step 2: Convert to fraction form
    29,683.18/40,951.60 = 19,479.88/x
  3. Step 3: Cross multiply
    29,683.18x = 40,951.60 × 19,479.88
  4. Step 4: Simplify right side
    29,683.18x = 797,732,253.81
  5. Step 5: Solve for x
    x = 797,732,253.81/29,683.18
  6. Step 6: Final answer
    x = 26,874.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.