Home / 40,048.10-55,264.14-22,142.06

Finding the Fourth Proportional to 40,048.10, 55,264.14 and 22,142.06

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Solution

The fourth proportional to 40,048.10, 55,264.14 and 22,142.06 is: 30,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.10 : 55,264.14 = 22,142.06 : x
  2. Step 2: Convert to fraction form
    40,048.10/55,264.14 = 22,142.06/x
  3. Step 3: Cross multiply
    40,048.10x = 55,264.14 × 22,142.06
  4. Step 4: Simplify right side
    40,048.10x = 1,223,661,627.41
  5. Step 5: Solve for x
    x = 1,223,661,627.41/40,048.10
  6. Step 6: Final answer
    x = 30,554.80

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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.