Home / 38,955.99-58,413.18-20,217.15

Finding the Fourth Proportional to 38,955.99, 58,413.18 and 20,217.15

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Solution

The fourth proportional to 38,955.99, 58,413.18 and 20,217.15 is: 30,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,955.99 : 58,413.18 = 20,217.15 : x
  2. Step 2: Convert to fraction form
    38,955.99/58,413.18 = 20,217.15/x
  3. Step 3: Cross multiply
    38,955.99x = 58,413.18 × 20,217.15
  4. Step 4: Simplify right side
    38,955.99x = 1,180,948,022.04
  5. Step 5: Solve for x
    x = 1,180,948,022.04/38,955.99
  6. Step 6: Final answer
    x = 30,314.93

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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.