Home / 55,332.81-82,956.69-28,650.20

Finding the Fourth Proportional to 55,332.81, 82,956.69 and 28,650.20

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Solution

The fourth proportional to 55,332.81, 82,956.69 and 28,650.20 is: 42,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,332.81 : 82,956.69 = 28,650.20 : x
  2. Step 2: Convert to fraction form
    55,332.81/82,956.69 = 28,650.20/x
  3. Step 3: Cross multiply
    55,332.81x = 82,956.69 × 28,650.20
  4. Step 4: Simplify right side
    55,332.81x = 2,376,725,345.05
  5. Step 5: Solve for x
    x = 2,376,725,345.05/55,332.81
  6. Step 6: Final answer
    x = 42,953.27

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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.