Home / 39,831.90-54,971.58-22,842.12

Finding the Fourth Proportional to 39,831.90, 54,971.58 and 22,842.12

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Solution

The fourth proportional to 39,831.90, 54,971.58 and 22,842.12 is: 31,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,831.90 : 54,971.58 = 22,842.12 : x
  2. Step 2: Convert to fraction form
    39,831.90/54,971.58 = 22,842.12/x
  3. Step 3: Cross multiply
    39,831.90x = 54,971.58 × 22,842.12
  4. Step 4: Simplify right side
    39,831.90x = 1,255,667,426.95
  5. Step 5: Solve for x
    x = 1,255,667,426.95/39,831.90
  6. Step 6: Final answer
    x = 31,524.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.