Home / 51,989.04-71,741.52-29,631.60

Finding the Fourth Proportional to 51,989.04, 71,741.52 and 29,631.60

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Solution

The fourth proportional to 51,989.04, 71,741.52 and 29,631.60 is: 40,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.04 : 71,741.52 = 29,631.60 : x
  2. Step 2: Convert to fraction form
    51,989.04/71,741.52 = 29,631.60/x
  3. Step 3: Cross multiply
    51,989.04x = 71,741.52 × 29,631.60
  4. Step 4: Simplify right side
    51,989.04x = 2,125,816,024.03
  5. Step 5: Solve for x
    x = 2,125,816,024.03/51,989.04
  6. Step 6: Final answer
    x = 40,889.70

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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.