Home / 51,518.18-71,095.07-31,375.05

Finding the Fourth Proportional to 51,518.18, 71,095.07 and 31,375.05

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Solution

The fourth proportional to 51,518.18, 71,095.07 and 31,375.05 is: 43,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.18 : 71,095.07 = 31,375.05 : x
  2. Step 2: Convert to fraction form
    51,518.18/71,095.07 = 31,375.05/x
  3. Step 3: Cross multiply
    51,518.18x = 71,095.07 × 31,375.05
  4. Step 4: Simplify right side
    51,518.18x = 2,230,611,219.13
  5. Step 5: Solve for x
    x = 2,230,611,219.13/51,518.18
  6. Step 6: Final answer
    x = 43,297.56

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1.5x scale

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.