Home / 60,831.12-91,246.89-18,710.92

Finding the Fourth Proportional to 60,831.12, 91,246.89 and 18,710.92

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Solution

The fourth proportional to 60,831.12, 91,246.89 and 18,710.92 is: 28,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.12 : 91,246.89 = 18,710.92 : x
  2. Step 2: Convert to fraction form
    60,831.12/91,246.89 = 18,710.92/x
  3. Step 3: Cross multiply
    60,831.12x = 91,246.89 × 18,710.92
  4. Step 4: Simplify right side
    60,831.12x = 1,707,312,824.75
  5. Step 5: Solve for x
    x = 1,707,312,824.75/60,831.12
  6. Step 6: Final answer
    x = 28,066.44

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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.