Home / 40,810.64-61,216.74-11,228.36

Finding the Fourth Proportional to 40,810.64, 61,216.74 and 11,228.36

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Solution

The fourth proportional to 40,810.64, 61,216.74 and 11,228.36 is: 16,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,810.64 : 61,216.74 = 11,228.36 : x
  2. Step 2: Convert to fraction form
    40,810.64/61,216.74 = 11,228.36/x
  3. Step 3: Cross multiply
    40,810.64x = 61,216.74 × 11,228.36
  4. Step 4: Simplify right side
    40,810.64x = 687,363,594.75
  5. Step 5: Solve for x
    x = 687,363,594.75/40,810.64
  6. Step 6: Final answer
    x = 16,842.75

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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.