Home / 38,669.50-57,995.13-21,809.74

Finding the Fourth Proportional to 38,669.50, 57,995.13 and 21,809.74

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Solution

The fourth proportional to 38,669.50, 57,995.13 and 21,809.74 is: 32,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669.50 : 57,995.13 = 21,809.74 : x
  2. Step 2: Convert to fraction form
    38,669.50/57,995.13 = 21,809.74/x
  3. Step 3: Cross multiply
    38,669.50x = 57,995.13 × 21,809.74
  4. Step 4: Simplify right side
    38,669.50x = 1,264,858,706.57
  5. Step 5: Solve for x
    x = 1,264,858,706.57/38,669.50
  6. Step 6: Final answer
    x = 32,709.47

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1.5x scale

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.