Home / 53,270.76-79,885.38-19,972.66

Finding the Fourth Proportional to 53,270.76, 79,885.38 and 19,972.66

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Solution

The fourth proportional to 53,270.76, 79,885.38 and 19,972.66 is: 29,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,270.76 : 79,885.38 = 19,972.66 : x
  2. Step 2: Convert to fraction form
    53,270.76/79,885.38 = 19,972.66/x
  3. Step 3: Cross multiply
    53,270.76x = 79,885.38 × 19,972.66
  4. Step 4: Simplify right side
    53,270.76x = 1,595,523,533.71
  5. Step 5: Solve for x
    x = 1,595,523,533.71/53,270.76
  6. Step 6: Final answer
    x = 29,951.21

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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.