Home / 40,146.81-55,402.99-22,242.06

Finding the Fourth Proportional to 40,146.81, 55,402.99 and 22,242.06

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Solution

The fourth proportional to 40,146.81, 55,402.99 and 22,242.06 is: 30,694.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.81 : 55,402.99 = 22,242.06 : x
  2. Step 2: Convert to fraction form
    40,146.81/55,402.99 = 22,242.06/x
  3. Step 3: Cross multiply
    40,146.81x = 55,402.99 × 22,242.06
  4. Step 4: Simplify right side
    40,146.81x = 1,232,276,572.15
  5. Step 5: Solve for x
    x = 1,232,276,572.15/40,146.81
  6. Step 6: Final answer
    x = 30,694.26

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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.