Home / 40,918.28-56,465.36-22,769.90

Finding the Fourth Proportional to 40,918.28, 56,465.36 and 22,769.90

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Solution

The fourth proportional to 40,918.28, 56,465.36 and 22,769.90 is: 31,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918.28 : 56,465.36 = 22,769.90 : x
  2. Step 2: Convert to fraction form
    40,918.28/56,465.36 = 22,769.90/x
  3. Step 3: Cross multiply
    40,918.28x = 56,465.36 × 22,769.90
  4. Step 4: Simplify right side
    40,918.28x = 1,285,710,600.66
  5. Step 5: Solve for x
    x = 1,285,710,600.66/40,918.28
  6. Step 6: Final answer
    x = 31,421.42

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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.