Home / 53,242.50-79,877.25-19,962.66

Finding the Fourth Proportional to 53,242.50, 79,877.25 and 19,962.66

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Solution

The fourth proportional to 53,242.50, 79,877.25 and 19,962.66 is: 29,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242.50 : 79,877.25 = 19,962.66 : x
  2. Step 2: Convert to fraction form
    53,242.50/79,877.25 = 19,962.66/x
  3. Step 3: Cross multiply
    53,242.50x = 79,877.25 × 19,962.66
  4. Step 4: Simplify right side
    53,242.50x = 1,594,562,383.49
  5. Step 5: Solve for x
    x = 1,594,562,383.49/53,242.50
  6. Step 6: Final answer
    x = 29,949.05

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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.