Home / 38,347.78-57,521.70-12,053.20

Finding the Fourth Proportional to 38,347.78, 57,521.70 and 12,053.20

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Solution

The fourth proportional to 38,347.78, 57,521.70 and 12,053.20 is: 18,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.78 : 57,521.70 = 12,053.20 : x
  2. Step 2: Convert to fraction form
    38,347.78/57,521.70 = 12,053.20/x
  3. Step 3: Cross multiply
    38,347.78x = 57,521.70 × 12,053.20
  4. Step 4: Simplify right side
    38,347.78x = 693,320,554.44
  5. Step 5: Solve for x
    x = 693,320,554.44/38,347.78
  6. Step 6: Final answer
    x = 18,079.81

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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.