Home / 30,079.50-41,495.92-19,472.55

Finding the Fourth Proportional to 30,079.50, 41,495.92 and 19,472.55

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Solution

The fourth proportional to 30,079.50, 41,495.92 and 19,472.55 is: 26,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.50 : 41,495.92 = 19,472.55 : x
  2. Step 2: Convert to fraction form
    30,079.50/41,495.92 = 19,472.55/x
  3. Step 3: Cross multiply
    30,079.50x = 41,495.92 × 19,472.55
  4. Step 4: Simplify right side
    30,079.50x = 808,031,377.00
  5. Step 5: Solve for x
    x = 808,031,377.00/30,079.50
  6. Step 6: Final answer
    x = 26,863.19

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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.