Home / 45,420.41-68,111.18-15,829.49

Finding the Fourth Proportional to 45,420.41, 68,111.18 and 15,829.49

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Solution

The fourth proportional to 45,420.41, 68,111.18 and 15,829.49 is: 23,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.41 : 68,111.18 = 15,829.49 : x
  2. Step 2: Convert to fraction form
    45,420.41/68,111.18 = 15,829.49/x
  3. Step 3: Cross multiply
    45,420.41x = 68,111.18 × 15,829.49
  4. Step 4: Simplify right side
    45,420.41x = 1,078,165,163.55
  5. Step 5: Solve for x
    x = 1,078,165,163.55/45,420.41
  6. Step 6: Final answer
    x = 23,737.46

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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.