Home / 39,913.56-59,870.34-17,721.72

Finding the Fourth Proportional to 39,913.56, 59,870.34 and 17,721.72

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Solution

The fourth proportional to 39,913.56, 59,870.34 and 17,721.72 is: 26,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.56 : 59,870.34 = 17,721.72 : x
  2. Step 2: Convert to fraction form
    39,913.56/59,870.34 = 17,721.72/x
  3. Step 3: Cross multiply
    39,913.56x = 59,870.34 × 17,721.72
  4. Step 4: Simplify right side
    39,913.56x = 1,061,005,401.78
  5. Step 5: Solve for x
    x = 1,061,005,401.78/39,913.56
  6. Step 6: Final answer
    x = 26,582.58

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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.