Home / 34,870.47-48,121.62-18,954.90

Finding the Fourth Proportional to 34,870.47, 48,121.62 and 18,954.90

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Solution

The fourth proportional to 34,870.47, 48,121.62 and 18,954.90 is: 26,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.47 : 48,121.62 = 18,954.90 : x
  2. Step 2: Convert to fraction form
    34,870.47/48,121.62 = 18,954.90/x
  3. Step 3: Cross multiply
    34,870.47x = 48,121.62 × 18,954.90
  4. Step 4: Simplify right side
    34,870.47x = 912,140,494.94
  5. Step 5: Solve for x
    x = 912,140,494.94/34,870.47
  6. Step 6: Final answer
    x = 26,157.96

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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.