Home / 40,218.10-55,506.71-23,218.94

Finding the Fourth Proportional to 40,218.10, 55,506.71 and 23,218.94

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Solution

The fourth proportional to 40,218.10, 55,506.71 and 23,218.94 is: 32,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.10 : 55,506.71 = 23,218.94 : x
  2. Step 2: Convert to fraction form
    40,218.10/55,506.71 = 23,218.94/x
  3. Step 3: Cross multiply
    40,218.10x = 55,506.71 × 23,218.94
  4. Step 4: Simplify right side
    40,218.10x = 1,288,807,165.90
  5. Step 5: Solve for x
    x = 1,288,807,165.90/40,218.10
  6. Step 6: Final answer
    x = 32,045.45

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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.