Home / 30,717.22-42,374.22-17,962.06

Finding the Fourth Proportional to 30,717.22, 42,374.22 and 17,962.06

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Solution

The fourth proportional to 30,717.22, 42,374.22 and 17,962.06 is: 24,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.22 : 42,374.22 = 17,962.06 : x
  2. Step 2: Convert to fraction form
    30,717.22/42,374.22 = 17,962.06/x
  3. Step 3: Cross multiply
    30,717.22x = 42,374.22 × 17,962.06
  4. Step 4: Simplify right side
    30,717.22x = 761,128,282.09
  5. Step 5: Solve for x
    x = 761,128,282.09/30,717.22
  6. Step 6: Final answer
    x = 24,778.55

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1.5x scale

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.