Home / 38,870.85-58,314.75-12,575.19

Finding the Fourth Proportional to 38,870.85, 58,314.75 and 12,575.19

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Solution

The fourth proportional to 38,870.85, 58,314.75 and 12,575.19 is: 18,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.85 : 58,314.75 = 12,575.19 : x
  2. Step 2: Convert to fraction form
    38,870.85/58,314.75 = 12,575.19/x
  3. Step 3: Cross multiply
    38,870.85x = 58,314.75 × 12,575.19
  4. Step 4: Simplify right side
    38,870.85x = 733,319,061.05
  5. Step 5: Solve for x
    x = 733,319,061.05/38,870.85
  6. Step 6: Final answer
    x = 18,865.53

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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.