Home / 38,878.65-58,327.22-12,583.39

Finding the Fourth Proportional to 38,878.65, 58,327.22 and 12,583.39

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Solution

The fourth proportional to 38,878.65, 58,327.22 and 12,583.39 is: 18,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,878.65 : 58,327.22 = 12,583.39 : x
  2. Step 2: Convert to fraction form
    38,878.65/58,327.22 = 12,583.39/x
  3. Step 3: Cross multiply
    38,878.65x = 58,327.22 × 12,583.39
  4. Step 4: Simplify right side
    38,878.65x = 733,953,865.24
  5. Step 5: Solve for x
    x = 733,953,865.24/38,878.65
  6. Step 6: Final answer
    x = 18,878.07

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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.