Home / 34,718.79-52,078.26-12,547.83

Finding the Fourth Proportional to 34,718.79, 52,078.26 and 12,547.83

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Solution

The fourth proportional to 34,718.79, 52,078.26 and 12,547.83 is: 18,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.79 : 52,078.26 = 12,547.83 : x
  2. Step 2: Convert to fraction form
    34,718.79/52,078.26 = 12,547.83/x
  3. Step 3: Cross multiply
    34,718.79x = 52,078.26 × 12,547.83
  4. Step 4: Simplify right side
    34,718.79x = 653,468,892.78
  5. Step 5: Solve for x
    x = 653,468,892.78/34,718.79
  6. Step 6: Final answer
    x = 18,821.76

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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.