Home / 20,104.77-30,337.20-19,295.58

Finding the Fourth Proportional to 20,104.77, 30,337.20 and 19,295.58

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Solution

The fourth proportional to 20,104.77, 30,337.20 and 19,295.58 is: 29,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.77 : 30,337.20 = 19,295.58 : x
  2. Step 2: Convert to fraction form
    20,104.77/30,337.20 = 19,295.58/x
  3. Step 3: Cross multiply
    20,104.77x = 30,337.20 × 19,295.58
  4. Step 4: Simplify right side
    20,104.77x = 585,373,869.58
  5. Step 5: Solve for x
    x = 585,373,869.58/20,104.77
  6. Step 6: Final answer
    x = 29,116.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.