Home / 29,722.08-40,947.54-20,755.38

Finding the Fourth Proportional to 29,722.08, 40,947.54 and 20,755.38

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Solution

The fourth proportional to 29,722.08, 40,947.54 and 20,755.38 is: 28,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,722.08 : 40,947.54 = 20,755.38 : x
  2. Step 2: Convert to fraction form
    29,722.08/40,947.54 = 20,755.38/x
  3. Step 3: Cross multiply
    29,722.08x = 40,947.54 × 20,755.38
  4. Step 4: Simplify right side
    29,722.08x = 849,881,752.77
  5. Step 5: Solve for x
    x = 849,881,752.77/29,722.08
  6. Step 6: Final answer
    x = 28,594.29

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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.