Home / 35,294.72-52,930.56-11,916.80

Finding the Fourth Proportional to 35,294.72, 52,930.56 and 11,916.80

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Solution

The fourth proportional to 35,294.72, 52,930.56 and 11,916.80 is: 17,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.72 : 52,930.56 = 11,916.80 : x
  2. Step 2: Convert to fraction form
    35,294.72/52,930.56 = 11,916.80/x
  3. Step 3: Cross multiply
    35,294.72x = 52,930.56 × 11,916.80
  4. Step 4: Simplify right side
    35,294.72x = 630,762,897.41
  5. Step 5: Solve for x
    x = 630,762,897.41/35,294.72
  6. Step 6: Final answer
    x = 17,871.31

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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.