Home / 61,987.02-92,986.68-19,856.52

Finding the Fourth Proportional to 61,987.02, 92,986.68 and 19,856.52

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Solution

The fourth proportional to 61,987.02, 92,986.68 and 19,856.52 is: 29,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,987.02 : 92,986.68 = 19,856.52 : x
  2. Step 2: Convert to fraction form
    61,987.02/92,986.68 = 19,856.52/x
  3. Step 3: Cross multiply
    61,987.02x = 92,986.68 × 19,856.52
  4. Step 4: Simplify right side
    61,987.02x = 1,846,391,871.15
  5. Step 5: Solve for x
    x = 1,846,391,871.15/61,987.02
  6. Step 6: Final answer
    x = 29,786.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.