Home / 40,491.81-55,878.78-22,586.36

Finding the Fourth Proportional to 40,491.81, 55,878.78 and 22,586.36

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Solution

The fourth proportional to 40,491.81, 55,878.78 and 22,586.36 is: 31,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.81 : 55,878.78 = 22,586.36 : x
  2. Step 2: Convert to fraction form
    40,491.81/55,878.78 = 22,586.36/x
  3. Step 3: Cross multiply
    40,491.81x = 55,878.78 × 22,586.36
  4. Step 4: Simplify right side
    40,491.81x = 1,262,097,962.05
  5. Step 5: Solve for x
    x = 1,262,097,962.05/40,491.81
  6. Step 6: Final answer
    x = 31,169.22

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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.