Home / 49,902.60-68,864.56-28,681.32

Finding the Fourth Proportional to 49,902.60, 68,864.56 and 28,681.32

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Solution

The fourth proportional to 49,902.60, 68,864.56 and 28,681.32 is: 39,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,902.60 : 68,864.56 = 28,681.32 : x
  2. Step 2: Convert to fraction form
    49,902.60/68,864.56 = 28,681.32/x
  3. Step 3: Cross multiply
    49,902.60x = 68,864.56 × 28,681.32
  4. Step 4: Simplify right side
    49,902.60x = 1,975,126,482.02
  5. Step 5: Solve for x
    x = 1,975,126,482.02/49,902.60
  6. Step 6: Final answer
    x = 39,579.63

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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.