Home / 55,864.62-83,752.47-20,320.38

Finding the Fourth Proportional to 55,864.62, 83,752.47 and 20,320.38

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Solution

The fourth proportional to 55,864.62, 83,752.47 and 20,320.38 is: 30,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,864.62 : 83,752.47 = 20,320.38 : x
  2. Step 2: Convert to fraction form
    55,864.62/83,752.47 = 20,320.38/x
  3. Step 3: Cross multiply
    55,864.62x = 83,752.47 × 20,320.38
  4. Step 4: Simplify right side
    55,864.62x = 1,701,882,016.34
  5. Step 5: Solve for x
    x = 1,701,882,016.34/55,864.62
  6. Step 6: Final answer
    x = 30,464.40

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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.