Home / 51,730.35-77,575.02-17,986.30

Finding the Fourth Proportional to 51,730.35, 77,575.02 and 17,986.30

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Solution

The fourth proportional to 51,730.35, 77,575.02 and 17,986.30 is: 26,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,730.35 : 77,575.02 = 17,986.30 : x
  2. Step 2: Convert to fraction form
    51,730.35/77,575.02 = 17,986.30/x
  3. Step 3: Cross multiply
    51,730.35x = 77,575.02 × 17,986.30
  4. Step 4: Simplify right side
    51,730.35x = 1,395,287,757.20
  5. Step 5: Solve for x
    x = 1,395,287,757.20/51,730.35
  6. Step 6: Final answer
    x = 26,972.33

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1.5x scale

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.