Home / 38,222.10-52,736.13-21,454.74

Finding the Fourth Proportional to 38,222.10, 52,736.13 and 21,454.74

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Solution

The fourth proportional to 38,222.10, 52,736.13 and 21,454.74 is: 29,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,222.10 : 52,736.13 = 21,454.74 : x
  2. Step 2: Convert to fraction form
    38,222.10/52,736.13 = 21,454.74/x
  3. Step 3: Cross multiply
    38,222.10x = 52,736.13 × 21,454.74
  4. Step 4: Simplify right side
    38,222.10x = 1,131,439,957.76
  5. Step 5: Solve for x
    x = 1,131,439,957.76/38,222.10
  6. Step 6: Final answer
    x = 29,601.72

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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.