Home / 40,275.81-55,579.06-22,371.96

Finding the Fourth Proportional to 40,275.81, 55,579.06 and 22,371.96

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Solution

The fourth proportional to 40,275.81, 55,579.06 and 22,371.96 is: 30,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.81 : 55,579.06 = 22,371.96 : x
  2. Step 2: Convert to fraction form
    40,275.81/55,579.06 = 22,371.96/x
  3. Step 3: Cross multiply
    40,275.81x = 55,579.06 × 22,371.96
  4. Step 4: Simplify right side
    40,275.81x = 1,243,412,507.16
  5. Step 5: Solve for x
    x = 1,243,412,507.16/40,275.81
  6. Step 6: Final answer
    x = 30,872.44

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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.