Home / 40,271.10-60,295.59-30,380.46

Finding the Fourth Proportional to 40,271.10, 60,295.59 and 30,380.46

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Solution

The fourth proportional to 40,271.10, 60,295.59 and 30,380.46 is: 45,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,271.10 : 60,295.59 = 30,380.46 : x
  2. Step 2: Convert to fraction form
    40,271.10/60,295.59 = 30,380.46/x
  3. Step 3: Cross multiply
    40,271.10x = 60,295.59 × 30,380.46
  4. Step 4: Simplify right side
    40,271.10x = 1,831,807,760.17
  5. Step 5: Solve for x
    x = 1,831,807,760.17/40,271.10
  6. Step 6: Final answer
    x = 45,486.91

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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.