Home / 34,870.74-48,121.68-18,955.14

Finding the Fourth Proportional to 34,870.74, 48,121.68 and 18,955.14

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Solution

The fourth proportional to 34,870.74, 48,121.68 and 18,955.14 is: 26,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.74 : 48,121.68 = 18,955.14 : x
  2. Step 2: Convert to fraction form
    34,870.74/48,121.68 = 18,955.14/x
  3. Step 3: Cross multiply
    34,870.74x = 48,121.68 × 18,955.14
  4. Step 4: Simplify right side
    34,870.74x = 912,153,181.44
  5. Step 5: Solve for x
    x = 912,153,181.44/34,870.74
  6. Step 6: Final answer
    x = 26,158.13

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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.