Home / 29,639.32-44,442.57-12,121.45

Finding the Fourth Proportional to 29,639.32, 44,442.57 and 12,121.45

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Solution

The fourth proportional to 29,639.32, 44,442.57 and 12,121.45 is: 18,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.32 : 44,442.57 = 12,121.45 : x
  2. Step 2: Convert to fraction form
    29,639.32/44,442.57 = 12,121.45/x
  3. Step 3: Cross multiply
    29,639.32x = 44,442.57 × 12,121.45
  4. Step 4: Simplify right side
    29,639.32x = 538,708,324.48
  5. Step 5: Solve for x
    x = 538,708,324.48/29,639.32
  6. Step 6: Final answer
    x = 18,175.46

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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.