Home / 60,831.34-91,247.22-18,711.14

Finding the Fourth Proportional to 60,831.34, 91,247.22 and 18,711.14

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Solution

The fourth proportional to 60,831.34, 91,247.22 and 18,711.14 is: 28,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.34 : 91,247.22 = 18,711.14 : x
  2. Step 2: Convert to fraction form
    60,831.34/91,247.22 = 18,711.14/x
  3. Step 3: Cross multiply
    60,831.34x = 91,247.22 × 18,711.14
  4. Step 4: Simplify right side
    60,831.34x = 1,707,339,051.79
  5. Step 5: Solve for x
    x = 1,707,339,051.79/60,831.34
  6. Step 6: Final answer
    x = 28,066.77

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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.