Home / 40,721.32-56,195.38-22,816.45

Finding the Fourth Proportional to 40,721.32, 56,195.38 and 22,816.45

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Solution

The fourth proportional to 40,721.32, 56,195.38 and 22,816.45 is: 31,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.32 : 56,195.38 = 22,816.45 : x
  2. Step 2: Convert to fraction form
    40,721.32/56,195.38 = 22,816.45/x
  3. Step 3: Cross multiply
    40,721.32x = 56,195.38 × 22,816.45
  4. Step 4: Simplify right side
    40,721.32x = 1,282,178,907.93
  5. Step 5: Solve for x
    x = 1,282,178,907.93/40,721.32
  6. Step 6: Final answer
    x = 31,486.68

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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.