Home / 40,721.72-56,199.42-22,816.46

Finding the Fourth Proportional to 40,721.72, 56,199.42 and 22,816.46

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Solution

The fourth proportional to 40,721.72, 56,199.42 and 22,816.46 is: 31,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.72 : 56,199.42 = 22,816.46 : x
  2. Step 2: Convert to fraction form
    40,721.72/56,199.42 = 22,816.46/x
  3. Step 3: Cross multiply
    40,721.72x = 56,199.42 × 22,816.46
  4. Step 4: Simplify right side
    40,721.72x = 1,282,271,818.45
  5. Step 5: Solve for x
    x = 1,282,271,818.45/40,721.72
  6. Step 6: Final answer
    x = 31,488.65

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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.