Home / 40,427.15-55,782.81-22,521.69

Finding the Fourth Proportional to 40,427.15, 55,782.81 and 22,521.69

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Solution

The fourth proportional to 40,427.15, 55,782.81 and 22,521.69 is: 31,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,427.15 : 55,782.81 = 22,521.69 : x
  2. Step 2: Convert to fraction form
    40,427.15/55,782.81 = 22,521.69/x
  3. Step 3: Cross multiply
    40,427.15x = 55,782.81 × 22,521.69
  4. Step 4: Simplify right side
    40,427.15x = 1,256,323,154.15
  5. Step 5: Solve for x
    x = 1,256,323,154.15/40,427.15
  6. Step 6: Final answer
    x = 31,076.23

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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.