Home / 40,419.30-55,782.21-22,513.86

Finding the Fourth Proportional to 40,419.30, 55,782.21 and 22,513.86

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Solution

The fourth proportional to 40,419.30, 55,782.21 and 22,513.86 is: 31,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.30 : 55,782.21 = 22,513.86 : x
  2. Step 2: Convert to fraction form
    40,419.30/55,782.21 = 22,513.86/x
  3. Step 3: Cross multiply
    40,419.30x = 55,782.21 × 22,513.86
  4. Step 4: Simplify right side
    40,419.30x = 1,255,872,866.43
  5. Step 5: Solve for x
    x = 1,255,872,866.43/40,419.30
  6. Step 6: Final answer
    x = 31,071.12

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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.