Home / 38,314.83-57,479.54-12,012.51

Finding the Fourth Proportional to 38,314.83, 57,479.54 and 12,012.51

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Solution

The fourth proportional to 38,314.83, 57,479.54 and 12,012.51 is: 18,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.83 : 57,479.54 = 12,012.51 : x
  2. Step 2: Convert to fraction form
    38,314.83/57,479.54 = 12,012.51/x
  3. Step 3: Cross multiply
    38,314.83x = 57,479.54 × 12,012.51
  4. Step 4: Simplify right side
    38,314.83x = 690,473,488.98
  5. Step 5: Solve for x
    x = 690,473,488.98/38,314.83
  6. Step 6: Final answer
    x = 18,021.05

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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.