Home / 39,320.17-58,921.92-28,880.89

Finding the Fourth Proportional to 39,320.17, 58,921.92 and 28,880.89

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Solution

The fourth proportional to 39,320.17, 58,921.92 and 28,880.89 is: 43,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,320.17 : 58,921.92 = 28,880.89 : x
  2. Step 2: Convert to fraction form
    39,320.17/58,921.92 = 28,880.89/x
  3. Step 3: Cross multiply
    39,320.17x = 58,921.92 × 28,880.89
  4. Step 4: Simplify right side
    39,320.17x = 1,701,717,345.70
  5. Step 5: Solve for x
    x = 1,701,717,345.70/39,320.17
  6. Step 6: Final answer
    x = 43,278.48

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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.