Home / 29,478.64-40,680.12-16,050.02

Finding the Fourth Proportional to 29,478.64, 40,680.12 and 16,050.02

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Solution

The fourth proportional to 29,478.64, 40,680.12 and 16,050.02 is: 22,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.64 : 40,680.12 = 16,050.02 : x
  2. Step 2: Convert to fraction form
    29,478.64/40,680.12 = 16,050.02/x
  3. Step 3: Cross multiply
    29,478.64x = 40,680.12 × 16,050.02
  4. Step 4: Simplify right side
    29,478.64x = 652,916,739.60
  5. Step 5: Solve for x
    x = 652,916,739.60/29,478.64
  6. Step 6: Final answer
    x = 22,148.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.