Home / 40,969.28-61,355.40-23,385.80

Finding the Fourth Proportional to 40,969.28, 61,355.40 and 23,385.80

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Solution

The fourth proportional to 40,969.28, 61,355.40 and 23,385.80 is: 35,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,969.28 : 61,355.40 = 23,385.80 : x
  2. Step 2: Convert to fraction form
    40,969.28/61,355.40 = 23,385.80/x
  3. Step 3: Cross multiply
    40,969.28x = 61,355.40 × 23,385.80
  4. Step 4: Simplify right side
    40,969.28x = 1,434,845,113.32
  5. Step 5: Solve for x
    x = 1,434,845,113.32/40,969.28
  6. Step 6: Final answer
    x = 35,022.46

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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.