Home / 39,425.29-54,411.48-21,964.39

Finding the Fourth Proportional to 39,425.29, 54,411.48 and 21,964.39

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Solution

The fourth proportional to 39,425.29, 54,411.48 and 21,964.39 is: 30,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.29 : 54,411.48 = 21,964.39 : x
  2. Step 2: Convert to fraction form
    39,425.29/54,411.48 = 21,964.39/x
  3. Step 3: Cross multiply
    39,425.29x = 54,411.48 × 21,964.39
  4. Step 4: Simplify right side
    39,425.29x = 1,195,114,831.17
  5. Step 5: Solve for x
    x = 1,195,114,831.17/39,425.29
  6. Step 6: Final answer
    x = 30,313.41

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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.