Home / 49,989.40-69,037.04-43,242.64

Finding the Fourth Proportional to 49,989.40, 69,037.04 and 43,242.64

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Solution

The fourth proportional to 49,989.40, 69,037.04 and 43,242.64 is: 59,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.40 : 69,037.04 = 43,242.64 : x
  2. Step 2: Convert to fraction form
    49,989.40/69,037.04 = 43,242.64/x
  3. Step 3: Cross multiply
    49,989.40x = 69,037.04 × 43,242.64
  4. Step 4: Simplify right side
    49,989.40x = 2,985,343,867.39
  5. Step 5: Solve for x
    x = 2,985,343,867.39/49,989.40
  6. Step 6: Final answer
    x = 59,719.54

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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.