Home / 40,058.32-60,086.82-11,978.44

Finding the Fourth Proportional to 40,058.32, 60,086.82 and 11,978.44

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Solution

The fourth proportional to 40,058.32, 60,086.82 and 11,978.44 is: 17,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,058.32 : 60,086.82 = 11,978.44 : x
  2. Step 2: Convert to fraction form
    40,058.32/60,086.82 = 11,978.44/x
  3. Step 3: Cross multiply
    40,058.32x = 60,086.82 × 11,978.44
  4. Step 4: Simplify right side
    40,058.32x = 719,746,368.16
  5. Step 5: Solve for x
    x = 719,746,368.16/40,058.32
  6. Step 6: Final answer
    x = 17,967.46

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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.