Home / 38,690.96-58,041.61-15,311.93

Finding the Fourth Proportional to 38,690.96, 58,041.61 and 15,311.93

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Solution

The fourth proportional to 38,690.96, 58,041.61 and 15,311.93 is: 22,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.96 : 58,041.61 = 15,311.93 : x
  2. Step 2: Convert to fraction form
    38,690.96/58,041.61 = 15,311.93/x
  3. Step 3: Cross multiply
    38,690.96x = 58,041.61 × 15,311.93
  4. Step 4: Simplify right side
    38,690.96x = 888,729,176.23
  5. Step 5: Solve for x
    x = 888,729,176.23/38,690.96
  6. Step 6: Final answer
    x = 22,969.94

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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.