Home / 36,006.29-49,680.68-20,890.17

Finding the Fourth Proportional to 36,006.29, 49,680.68 and 20,890.17

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Solution

The fourth proportional to 36,006.29, 49,680.68 and 20,890.17 is: 28,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.29 : 49,680.68 = 20,890.17 : x
  2. Step 2: Convert to fraction form
    36,006.29/49,680.68 = 20,890.17/x
  3. Step 3: Cross multiply
    36,006.29x = 49,680.68 × 20,890.17
  4. Step 4: Simplify right side
    36,006.29x = 1,037,837,746.46
  5. Step 5: Solve for x
    x = 1,037,837,746.46/36,006.29
  6. Step 6: Final answer
    x = 28,823.79

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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.