Home / 60,570.21-90,856.09-21,127.33

Finding the Fourth Proportional to 60,570.21, 90,856.09 and 21,127.33

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Solution

The fourth proportional to 60,570.21, 90,856.09 and 21,127.33 is: 31,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,570.21 : 90,856.09 = 21,127.33 : x
  2. Step 2: Convert to fraction form
    60,570.21/90,856.09 = 21,127.33/x
  3. Step 3: Cross multiply
    60,570.21x = 90,856.09 × 21,127.33
  4. Step 4: Simplify right side
    60,570.21x = 1,919,546,106.01
  5. Step 5: Solve for x
    x = 1,919,546,106.01/60,570.21
  6. Step 6: Final answer
    x = 31,691.26

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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.