Home / 40,322.81-55,646.89-22,174.90

Finding the Fourth Proportional to 40,322.81, 55,646.89 and 22,174.90

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Solution

The fourth proportional to 40,322.81, 55,646.89 and 22,174.90 is: 30,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.81 : 55,646.89 = 22,174.90 : x
  2. Step 2: Convert to fraction form
    40,322.81/55,646.89 = 22,174.90/x
  3. Step 3: Cross multiply
    40,322.81x = 55,646.89 × 22,174.90
  4. Step 4: Simplify right side
    40,322.81x = 1,233,964,159.26
  5. Step 5: Solve for x
    x = 1,233,964,159.26/40,322.81
  6. Step 6: Final answer
    x = 30,602.14

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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.