Home / 40,077.36-60,129.84-15,124.56

Finding the Fourth Proportional to 40,077.36, 60,129.84 and 15,124.56

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Solution

The fourth proportional to 40,077.36, 60,129.84 and 15,124.56 is: 22,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.36 : 60,129.84 = 15,124.56 : x
  2. Step 2: Convert to fraction form
    40,077.36/60,129.84 = 15,124.56/x
  3. Step 3: Cross multiply
    40,077.36x = 60,129.84 × 15,124.56
  4. Step 4: Simplify right side
    40,077.36x = 909,437,372.87
  5. Step 5: Solve for x
    x = 909,437,372.87/40,077.36
  6. Step 6: Final answer
    x = 22,692.05

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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.