Home / 60,831.59-91,247.60-18,711.38

Finding the Fourth Proportional to 60,831.59, 91,247.60 and 18,711.38

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Solution

The fourth proportional to 60,831.59, 91,247.60 and 18,711.38 is: 28,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.59 : 91,247.60 = 18,711.38 : x
  2. Step 2: Convert to fraction form
    60,831.59/91,247.60 = 18,711.38/x
  3. Step 3: Cross multiply
    60,831.59x = 91,247.60 × 18,711.38
  4. Step 4: Simplify right side
    60,831.59x = 1,707,368,823.34
  5. Step 5: Solve for x
    x = 1,707,368,823.34/60,831.59
  6. Step 6: Final answer
    x = 28,067.14

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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.