Home / 40,555.76-55,966.58-22,406.46

Finding the Fourth Proportional to 40,555.76, 55,966.58 and 22,406.46

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Solution

The fourth proportional to 40,555.76, 55,966.58 and 22,406.46 is: 30,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.76 : 55,966.58 = 22,406.46 : x
  2. Step 2: Convert to fraction form
    40,555.76/55,966.58 = 22,406.46/x
  3. Step 3: Cross multiply
    40,555.76x = 55,966.58 × 22,406.46
  4. Step 4: Simplify right side
    40,555.76x = 1,254,012,698.22
  5. Step 5: Solve for x
    x = 1,254,012,698.22/40,555.76
  6. Step 6: Final answer
    x = 30,920.71

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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.