Home / 40,118.64-60,216.84-19,356.72

Finding the Fourth Proportional to 40,118.64, 60,216.84 and 19,356.72

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Solution

The fourth proportional to 40,118.64, 60,216.84 and 19,356.72 is: 29,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.64 : 60,216.84 = 19,356.72 : x
  2. Step 2: Convert to fraction form
    40,118.64/60,216.84 = 19,356.72/x
  3. Step 3: Cross multiply
    40,118.64x = 60,216.84 × 19,356.72
  4. Step 4: Simplify right side
    40,118.64x = 1,165,600,511.16
  5. Step 5: Solve for x
    x = 1,165,600,511.16/40,118.64
  6. Step 6: Final answer
    x = 29,053.84

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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.