Home / 40,141.15-55,389.54-23,146.03

Finding the Fourth Proportional to 40,141.15, 55,389.54 and 23,146.03

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Solution

The fourth proportional to 40,141.15, 55,389.54 and 23,146.03 is: 31,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141.15 : 55,389.54 = 23,146.03 : x
  2. Step 2: Convert to fraction form
    40,141.15/55,389.54 = 23,146.03/x
  3. Step 3: Cross multiply
    40,141.15x = 55,389.54 × 23,146.03
  4. Step 4: Simplify right side
    40,141.15x = 1,282,047,954.53
  5. Step 5: Solve for x
    x = 1,282,047,954.53/40,141.15
  6. Step 6: Final answer
    x = 31,938.50

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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.