Home / 40,048.76-55,263.40-22,141.32

Finding the Fourth Proportional to 40,048.76, 55,263.40 and 22,141.32

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Solution

The fourth proportional to 40,048.76, 55,263.40 and 22,141.32 is: 30,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.76 : 55,263.40 = 22,141.32 : x
  2. Step 2: Convert to fraction form
    40,048.76/55,263.40 = 22,141.32/x
  3. Step 3: Cross multiply
    40,048.76x = 55,263.40 × 22,141.32
  4. Step 4: Simplify right side
    40,048.76x = 1,223,604,361.10
  5. Step 5: Solve for x
    x = 1,223,604,361.10/40,048.76
  6. Step 6: Final answer
    x = 30,552.86

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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.