Home / 40,426.76-55,788.96-22,521.81

Finding the Fourth Proportional to 40,426.76, 55,788.96 and 22,521.81

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Solution

The fourth proportional to 40,426.76, 55,788.96 and 22,521.81 is: 31,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426.76 : 55,788.96 = 22,521.81 : x
  2. Step 2: Convert to fraction form
    40,426.76/55,788.96 = 22,521.81/x
  3. Step 3: Cross multiply
    40,426.76x = 55,788.96 × 22,521.81
  4. Step 4: Simplify right side
    40,426.76x = 1,256,468,357.22
  5. Step 5: Solve for x
    x = 1,256,468,357.22/40,426.76
  6. Step 6: Final answer
    x = 31,080.12

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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.