Home / 53,039.13-79,572.06-19,760.28

Finding the Fourth Proportional to 53,039.13, 79,572.06 and 19,760.28

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Solution

The fourth proportional to 53,039.13, 79,572.06 and 19,760.28 is: 29,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039.13 : 79,572.06 = 19,760.28 : x
  2. Step 2: Convert to fraction form
    53,039.13/79,572.06 = 19,760.28/x
  3. Step 3: Cross multiply
    53,039.13x = 79,572.06 × 19,760.28
  4. Step 4: Simplify right side
    53,039.13x = 1,572,366,185.78
  5. Step 5: Solve for x
    x = 1,572,366,185.78/53,039.13
  6. Step 6: Final answer
    x = 29,645.40

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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.