Home / 55,364.47-82,921.84-25,719.93

Finding the Fourth Proportional to 55,364.47, 82,921.84 and 25,719.93

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Solution

The fourth proportional to 55,364.47, 82,921.84 and 25,719.93 is: 38,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,364.47 : 82,921.84 = 25,719.93 : x
  2. Step 2: Convert to fraction form
    55,364.47/82,921.84 = 25,719.93/x
  3. Step 3: Cross multiply
    55,364.47x = 82,921.84 × 25,719.93
  4. Step 4: Simplify right side
    55,364.47x = 2,132,743,920.27
  5. Step 5: Solve for x
    x = 2,132,743,920.27/55,364.47
  6. Step 6: Final answer
    x = 38,521.89

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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.