Home / 40,295.21-55,607.63-22,145.74

Finding the Fourth Proportional to 40,295.21, 55,607.63 and 22,145.74

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Solution

The fourth proportional to 40,295.21, 55,607.63 and 22,145.74 is: 30,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295.21 : 55,607.63 = 22,145.74 : x
  2. Step 2: Convert to fraction form
    40,295.21/55,607.63 = 22,145.74/x
  3. Step 3: Cross multiply
    40,295.21x = 55,607.63 × 22,145.74
  4. Step 4: Simplify right side
    40,295.21x = 1,231,471,866.25
  5. Step 5: Solve for x
    x = 1,231,471,866.25/40,295.21
  6. Step 6: Final answer
    x = 30,561.25

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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.