Home / 60,544.29-90,767.23-21,129.09

Finding the Fourth Proportional to 60,544.29, 90,767.23 and 21,129.09

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Solution

The fourth proportional to 60,544.29, 90,767.23 and 21,129.09 is: 31,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,544.29 : 90,767.23 = 21,129.09 : x
  2. Step 2: Convert to fraction form
    60,544.29/90,767.23 = 21,129.09/x
  3. Step 3: Cross multiply
    60,544.29x = 90,767.23 × 21,129.09
  4. Step 4: Simplify right side
    60,544.29x = 1,917,828,657.75
  5. Step 5: Solve for x
    x = 1,917,828,657.75/60,544.29
  6. Step 6: Final answer
    x = 31,676.46

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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.