Home / 53,269.79-79,849.26-21,666.29

Finding the Fourth Proportional to 53,269.79, 79,849.26 and 21,666.29

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Solution

The fourth proportional to 53,269.79, 79,849.26 and 21,666.29 is: 32,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.79 : 79,849.26 = 21,666.29 : x
  2. Step 2: Convert to fraction form
    53,269.79/79,849.26 = 21,666.29/x
  3. Step 3: Cross multiply
    53,269.79x = 79,849.26 × 21,666.29
  4. Step 4: Simplify right side
    53,269.79x = 1,730,036,824.20
  5. Step 5: Solve for x
    x = 1,730,036,824.20/53,269.79
  6. Step 6: Final answer
    x = 32,476.89

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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.