Home / 53,094.42-79,570.85-19,780.97

Finding the Fourth Proportional to 53,094.42, 79,570.85 and 19,780.97

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Solution

The fourth proportional to 53,094.42, 79,570.85 and 19,780.97 is: 29,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,094.42 : 79,570.85 = 19,780.97 : x
  2. Step 2: Convert to fraction form
    53,094.42/79,570.85 = 19,780.97/x
  3. Step 3: Cross multiply
    53,094.42x = 79,570.85 × 19,780.97
  4. Step 4: Simplify right side
    53,094.42x = 1,573,988,099.97
  5. Step 5: Solve for x
    x = 1,573,988,099.97/53,094.42
  6. Step 6: Final answer
    x = 29,645.08

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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.