Home / 58,844.72-81,205.86-31,987.19

Finding the Fourth Proportional to 58,844.72, 81,205.86 and 31,987.19

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Solution

The fourth proportional to 58,844.72, 81,205.86 and 31,987.19 is: 44,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,844.72 : 81,205.86 = 31,987.19 : x
  2. Step 2: Convert to fraction form
    58,844.72/81,205.86 = 31,987.19/x
  3. Step 3: Cross multiply
    58,844.72x = 81,205.86 × 31,987.19
  4. Step 4: Simplify right side
    58,844.72x = 2,597,546,866.90
  5. Step 5: Solve for x
    x = 2,597,546,866.90/58,844.72
  6. Step 6: Final answer
    x = 44,142.40

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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.