Home / 39,831.65-54,967.29-21,926.19

Finding the Fourth Proportional to 39,831.65, 54,967.29 and 21,926.19

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Solution

The fourth proportional to 39,831.65, 54,967.29 and 21,926.19 is: 30,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,831.65 : 54,967.29 = 21,926.19 : x
  2. Step 2: Convert to fraction form
    39,831.65/54,967.29 = 21,926.19/x
  3. Step 3: Cross multiply
    39,831.65x = 54,967.29 × 21,926.19
  4. Step 4: Simplify right side
    39,831.65x = 1,205,223,244.33
  5. Step 5: Solve for x
    x = 1,205,223,244.33/39,831.65
  6. Step 6: Final answer
    x = 30,257.93

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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.