Home / 40,322.38-55,646.09-22,172.16

Finding the Fourth Proportional to 40,322.38, 55,646.09 and 22,172.16

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Solution

The fourth proportional to 40,322.38, 55,646.09 and 22,172.16 is: 30,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.38 : 55,646.09 = 22,172.16 : x
  2. Step 2: Convert to fraction form
    40,322.38/55,646.09 = 22,172.16/x
  3. Step 3: Cross multiply
    40,322.38x = 55,646.09 × 22,172.16
  4. Step 4: Simplify right side
    40,322.38x = 1,233,793,983.14
  5. Step 5: Solve for x
    x = 1,233,793,983.14/40,322.38
  6. Step 6: Final answer
    x = 30,598.24

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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.