Home / 40,816.94-56,328.38-22,913.31

Finding the Fourth Proportional to 40,816.94, 56,328.38 and 22,913.31

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Solution

The fourth proportional to 40,816.94, 56,328.38 and 22,913.31 is: 31,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,816.94 : 56,328.38 = 22,913.31 : x
  2. Step 2: Convert to fraction form
    40,816.94/56,328.38 = 22,913.31/x
  3. Step 3: Cross multiply
    40,816.94x = 56,328.38 × 22,913.31
  4. Step 4: Simplify right side
    40,816.94x = 1,290,669,518.17
  5. Step 5: Solve for x
    x = 1,290,669,518.17/40,816.94
  6. Step 6: Final answer
    x = 31,620.93

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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.