Home / 40,118.31-60,187.07-12,416.31

Finding the Fourth Proportional to 40,118.31, 60,187.07 and 12,416.31

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Solution

The fourth proportional to 40,118.31, 60,187.07 and 12,416.31 is: 18,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.31 : 60,187.07 = 12,416.31 : x
  2. Step 2: Convert to fraction form
    40,118.31/60,187.07 = 12,416.31/x
  3. Step 3: Cross multiply
    40,118.31x = 60,187.07 × 12,416.31
  4. Step 4: Simplify right side
    40,118.31x = 747,301,257.03
  5. Step 5: Solve for x
    x = 747,301,257.03/40,118.31
  6. Step 6: Final answer
    x = 18,627.44

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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.