Home / 38,373.57-52,954.72-21,377.79

Finding the Fourth Proportional to 38,373.57, 52,954.72 and 21,377.79

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Solution

The fourth proportional to 38,373.57, 52,954.72 and 21,377.79 is: 29,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.57 : 52,954.72 = 21,377.79 : x
  2. Step 2: Convert to fraction form
    38,373.57/52,954.72 = 21,377.79/x
  3. Step 3: Cross multiply
    38,373.57x = 52,954.72 × 21,377.79
  4. Step 4: Simplify right side
    38,373.57x = 1,132,054,830.22
  5. Step 5: Solve for x
    x = 1,132,054,830.22/38,373.57
  6. Step 6: Final answer
    x = 29,500.90

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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.