Home / 40,151.66-55,407.81-23,156.62

Finding the Fourth Proportional to 40,151.66, 55,407.81 and 23,156.62

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Solution

The fourth proportional to 40,151.66, 55,407.81 and 23,156.62 is: 31,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.66 : 55,407.81 = 23,156.62 : x
  2. Step 2: Convert to fraction form
    40,151.66/55,407.81 = 23,156.62/x
  3. Step 3: Cross multiply
    40,151.66x = 55,407.81 × 23,156.62
  4. Step 4: Simplify right side
    40,151.66x = 1,283,057,462.68
  5. Step 5: Solve for x
    x = 1,283,057,462.68/40,151.66
  6. Step 6: Final answer
    x = 31,955.28

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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.