Home / 40,442.30-60,663.60-12,362.25

Finding the Fourth Proportional to 40,442.30, 60,663.60 and 12,362.25

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Solution

The fourth proportional to 40,442.30, 60,663.60 and 12,362.25 is: 18,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442.30 : 60,663.60 = 12,362.25 : x
  2. Step 2: Convert to fraction form
    40,442.30/60,663.60 = 12,362.25/x
  3. Step 3: Cross multiply
    40,442.30x = 60,663.60 × 12,362.25
  4. Step 4: Simplify right side
    40,442.30x = 749,938,481.69
  5. Step 5: Solve for x
    x = 749,938,481.69/40,442.30
  6. Step 6: Final answer
    x = 18,543.42

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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.