Home / 40,456.55-60,645.63-15,477.36

Finding the Fourth Proportional to 40,456.55, 60,645.63 and 15,477.36

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Solution

The fourth proportional to 40,456.55, 60,645.63 and 15,477.36 is: 23,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.55 : 60,645.63 = 15,477.36 : x
  2. Step 2: Convert to fraction form
    40,456.55/60,645.63 = 15,477.36/x
  3. Step 3: Cross multiply
    40,456.55x = 60,645.63 × 15,477.36
  4. Step 4: Simplify right side
    40,456.55x = 938,634,247.94
  5. Step 5: Solve for x
    x = 938,634,247.94/40,456.55
  6. Step 6: Final answer
    x = 23,201.05

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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.