Home / 61,348.36-92,039.30-21,909.48

Finding the Fourth Proportional to 61,348.36, 92,039.30 and 21,909.48

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Solution

The fourth proportional to 61,348.36, 92,039.30 and 21,909.48 is: 32,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,348.36 : 92,039.30 = 21,909.48 : x
  2. Step 2: Convert to fraction form
    61,348.36/92,039.30 = 21,909.48/x
  3. Step 3: Cross multiply
    61,348.36x = 92,039.30 × 21,909.48
  4. Step 4: Simplify right side
    61,348.36x = 2,016,533,202.56
  5. Step 5: Solve for x
    x = 2,016,533,202.56/61,348.36
  6. Step 6: Final answer
    x = 32,870.21

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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.