Home / 39,924.89-55,096.76-22,019.74

Finding the Fourth Proportional to 39,924.89, 55,096.76 and 22,019.74

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Solution

The fourth proportional to 39,924.89, 55,096.76 and 22,019.74 is: 30,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,924.89 : 55,096.76 = 22,019.74 : x
  2. Step 2: Convert to fraction form
    39,924.89/55,096.76 = 22,019.74/x
  3. Step 3: Cross multiply
    39,924.89x = 55,096.76 × 22,019.74
  4. Step 4: Simplify right side
    39,924.89x = 1,213,216,330.04
  5. Step 5: Solve for x
    x = 1,213,216,330.04/39,924.89
  6. Step 6: Final answer
    x = 30,387.47

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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.