Home / 51,081.48-76,657.05-17,801.55

Finding the Fourth Proportional to 51,081.48, 76,657.05 and 17,801.55

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Solution

The fourth proportional to 51,081.48, 76,657.05 and 17,801.55 is: 26,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081.48 : 76,657.05 = 17,801.55 : x
  2. Step 2: Convert to fraction form
    51,081.48/76,657.05 = 17,801.55/x
  3. Step 3: Cross multiply
    51,081.48x = 76,657.05 × 17,801.55
  4. Step 4: Simplify right side
    51,081.48x = 1,364,614,308.43
  5. Step 5: Solve for x
    x = 1,364,614,308.43/51,081.48
  6. Step 6: Final answer
    x = 26,714.46

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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.