Home / 52,686.90-72,698.46-31,165.92

Finding the Fourth Proportional to 52,686.90, 72,698.46 and 31,165.92

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Solution

The fourth proportional to 52,686.90, 72,698.46 and 31,165.92 is: 43,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,686.90 : 72,698.46 = 31,165.92 : x
  2. Step 2: Convert to fraction form
    52,686.90/72,698.46 = 31,165.92/x
  3. Step 3: Cross multiply
    52,686.90x = 72,698.46 × 31,165.92
  4. Step 4: Simplify right side
    52,686.90x = 2,265,714,388.48
  5. Step 5: Solve for x
    x = 2,265,714,388.48/52,686.90
  6. Step 6: Final answer
    x = 43,003.37

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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.