Home / 40,642.22-60,969.18-12,564.74

Finding the Fourth Proportional to 40,642.22, 60,969.18 and 12,564.74

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Solution

The fourth proportional to 40,642.22, 60,969.18 and 12,564.74 is: 18,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,642.22 : 60,969.18 = 12,564.74 : x
  2. Step 2: Convert to fraction form
    40,642.22/60,969.18 = 12,564.74/x
  3. Step 3: Cross multiply
    40,642.22x = 60,969.18 × 12,564.74
  4. Step 4: Simplify right side
    40,642.22x = 766,062,094.25
  5. Step 5: Solve for x
    x = 766,062,094.25/40,642.22
  6. Step 6: Final answer
    x = 18,848.92

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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.