Home / 61,479.19-92,221.07-21,490.35

Finding the Fourth Proportional to 61,479.19, 92,221.07 and 21,490.35

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Solution

The fourth proportional to 61,479.19, 92,221.07 and 21,490.35 is: 32,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,479.19 : 92,221.07 = 21,490.35 : x
  2. Step 2: Convert to fraction form
    61,479.19/92,221.07 = 21,490.35/x
  3. Step 3: Cross multiply
    61,479.19x = 92,221.07 × 21,490.35
  4. Step 4: Simplify right side
    61,479.19x = 1,981,863,071.67
  5. Step 5: Solve for x
    x = 1,981,863,071.67/61,479.19
  6. Step 6: Final answer
    x = 32,236.32

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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.