Home / 41,055.36-61,520.40-21,340.32

Finding the Fourth Proportional to 41,055.36, 61,520.40 and 21,340.32

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Solution

The fourth proportional to 41,055.36, 61,520.40 and 21,340.32 is: 31,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,055.36 : 61,520.40 = 21,340.32 : x
  2. Step 2: Convert to fraction form
    41,055.36/61,520.40 = 21,340.32/x
  3. Step 3: Cross multiply
    41,055.36x = 61,520.40 × 21,340.32
  4. Step 4: Simplify right side
    41,055.36x = 1,312,865,022.53
  5. Step 5: Solve for x
    x = 1,312,865,022.53/41,055.36
  6. Step 6: Final answer
    x = 31,977.92

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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.