Home / 49,984.68-69,001.02-31,134.36

Finding the Fourth Proportional to 49,984.68, 69,001.02 and 31,134.36

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Solution

The fourth proportional to 49,984.68, 69,001.02 and 31,134.36 is: 42,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,984.68 : 69,001.02 = 31,134.36 : x
  2. Step 2: Convert to fraction form
    49,984.68/69,001.02 = 31,134.36/x
  3. Step 3: Cross multiply
    49,984.68x = 69,001.02 × 31,134.36
  4. Step 4: Simplify right side
    49,984.68x = 2,148,302,597.05
  5. Step 5: Solve for x
    x = 2,148,302,597.05/49,984.68
  6. Step 6: Final answer
    x = 42,979.22

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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.