Home / 41,078.40-56,688-22,215.36

Finding the Fourth Proportional to 41,078.40, 56,688 and 22,215.36

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Solution

The fourth proportional to 41,078.40, 56,688 and 22,215.36 is: 30,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,078.40 : 56,688 = 22,215.36 : x
  2. Step 2: Convert to fraction form
    41,078.40/56,688 = 22,215.36/x
  3. Step 3: Cross multiply
    41,078.40x = 56,688 × 22,215.36
  4. Step 4: Simplify right side
    41,078.40x = 1,259,344,327.68
  5. Step 5: Solve for x
    x = 1,259,344,327.68/41,078.40
  6. Step 6: Final answer
    x = 30,657.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.