Home / 53,157.48-79,744.01-19,425.17

Finding the Fourth Proportional to 53,157.48, 79,744.01 and 19,425.17

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Solution

The fourth proportional to 53,157.48, 79,744.01 and 19,425.17 is: 29,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,157.48 : 79,744.01 = 19,425.17 : x
  2. Step 2: Convert to fraction form
    53,157.48/79,744.01 = 19,425.17/x
  3. Step 3: Cross multiply
    53,157.48x = 79,744.01 × 19,425.17
  4. Step 4: Simplify right side
    53,157.48x = 1,549,040,454.89
  5. Step 5: Solve for x
    x = 1,549,040,454.89/53,157.48
  6. Step 6: Final answer
    x = 29,140.59

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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.