Home / 34,870.08-48,121.65-18,955.61

Finding the Fourth Proportional to 34,870.08, 48,121.65 and 18,955.61

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Solution

The fourth proportional to 34,870.08, 48,121.65 and 18,955.61 is: 26,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.08 : 48,121.65 = 18,955.61 : x
  2. Step 2: Convert to fraction form
    34,870.08/48,121.65 = 18,955.61/x
  3. Step 3: Cross multiply
    34,870.08x = 48,121.65 × 18,955.61
  4. Step 4: Simplify right side
    34,870.08x = 912,175,229.96
  5. Step 5: Solve for x
    x = 912,175,229.96/34,870.08
  6. Step 6: Final answer
    x = 26,159.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.