Home / 40,151.10-55,407.05-23,156.06

Finding the Fourth Proportional to 40,151.10, 55,407.05 and 23,156.06

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Solution

The fourth proportional to 40,151.10, 55,407.05 and 23,156.06 is: 31,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.10 : 55,407.05 = 23,156.06 : x
  2. Step 2: Convert to fraction form
    40,151.10/55,407.05 = 23,156.06/x
  3. Step 3: Cross multiply
    40,151.10x = 55,407.05 × 23,156.06
  4. Step 4: Simplify right side
    40,151.10x = 1,283,008,581.41
  5. Step 5: Solve for x
    x = 1,283,008,581.41/40,151.10
  6. Step 6: Final answer
    x = 31,954.51

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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.