Home / 38,480.40-57,718.44-10,400.04

Finding the Fourth Proportional to 38,480.40, 57,718.44 and 10,400.04

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Solution

The fourth proportional to 38,480.40, 57,718.44 and 10,400.04 is: 15,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.40 : 57,718.44 = 10,400.04 : x
  2. Step 2: Convert to fraction form
    38,480.40/57,718.44 = 10,400.04/x
  3. Step 3: Cross multiply
    38,480.40x = 57,718.44 × 10,400.04
  4. Step 4: Simplify right side
    38,480.40x = 600,274,084.74
  5. Step 5: Solve for x
    x = 600,274,084.74/38,480.40
  6. Step 6: Final answer
    x = 15,599.48

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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.