Home / 57,990.47-86,999.33-18,007.41

Finding the Fourth Proportional to 57,990.47, 86,999.33 and 18,007.41

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Solution

The fourth proportional to 57,990.47, 86,999.33 and 18,007.41 is: 27,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.47 : 86,999.33 = 18,007.41 : x
  2. Step 2: Convert to fraction form
    57,990.47/86,999.33 = 18,007.41/x
  3. Step 3: Cross multiply
    57,990.47x = 86,999.33 × 18,007.41
  4. Step 4: Simplify right side
    57,990.47x = 1,566,632,605.04
  5. Step 5: Solve for x
    x = 1,566,632,605.04/57,990.47
  6. Step 6: Final answer
    x = 27,015.35

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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.