Home / 40,066.90-55,288.08-22,159.06

Finding the Fourth Proportional to 40,066.90, 55,288.08 and 22,159.06

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Solution

The fourth proportional to 40,066.90, 55,288.08 and 22,159.06 is: 30,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.90 : 55,288.08 = 22,159.06 : x
  2. Step 2: Convert to fraction form
    40,066.90/55,288.08 = 22,159.06/x
  3. Step 3: Cross multiply
    40,066.90x = 55,288.08 × 22,159.06
  4. Step 4: Simplify right side
    40,066.90x = 1,225,131,882.00
  5. Step 5: Solve for x
    x = 1,225,131,882.00/40,066.90
  6. Step 6: Final answer
    x = 30,577.16

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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.