Home / 40,036.98-55,253.16-23,043.81

Finding the Fourth Proportional to 40,036.98, 55,253.16 and 23,043.81

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Solution

The fourth proportional to 40,036.98, 55,253.16 and 23,043.81 is: 31,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,036.98 : 55,253.16 = 23,043.81 : x
  2. Step 2: Convert to fraction form
    40,036.98/55,253.16 = 23,043.81/x
  3. Step 3: Cross multiply
    40,036.98x = 55,253.16 × 23,043.81
  4. Step 4: Simplify right side
    40,036.98x = 1,273,243,320.94
  5. Step 5: Solve for x
    x = 1,273,243,320.94/40,036.98
  6. Step 6: Final answer
    x = 31,801.68

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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.