Home / 52,272.20-72,146.14-31,047.36

Finding the Fourth Proportional to 52,272.20, 72,146.14 and 31,047.36

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Solution

The fourth proportional to 52,272.20, 72,146.14 and 31,047.36 is: 42,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,272.20 : 72,146.14 = 31,047.36 : x
  2. Step 2: Convert to fraction form
    52,272.20/72,146.14 = 31,047.36/x
  3. Step 3: Cross multiply
    52,272.20x = 72,146.14 × 31,047.36
  4. Step 4: Simplify right side
    52,272.20x = 2,239,947,181.19
  5. Step 5: Solve for x
    x = 2,239,947,181.19/52,272.20
  6. Step 6: Final answer
    x = 42,851.60

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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.