Home / 40,423.99-55,786.80-22,519

Finding the Fourth Proportional to 40,423.99, 55,786.80 and 22,519

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Solution

The fourth proportional to 40,423.99, 55,786.80 and 22,519 is: 31,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.99 : 55,786.80 = 22,519 : x
  2. Step 2: Convert to fraction form
    40,423.99/55,786.80 = 22,519/x
  3. Step 3: Cross multiply
    40,423.99x = 55,786.80 × 22,519
  4. Step 4: Simplify right side
    40,423.99x = 1,256,262,949.20
  5. Step 5: Solve for x
    x = 1,256,262,949.20/40,423.99
  6. Step 6: Final answer
    x = 31,077.16

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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.