Home / 57,275.86-79,041.11-31,782.33

Finding the Fourth Proportional to 57,275.86, 79,041.11 and 31,782.33

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Solution

The fourth proportional to 57,275.86, 79,041.11 and 31,782.33 is: 43,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,275.86 : 79,041.11 = 31,782.33 : x
  2. Step 2: Convert to fraction form
    57,275.86/79,041.11 = 31,782.33/x
  3. Step 3: Cross multiply
    57,275.86x = 79,041.11 × 31,782.33
  4. Step 4: Simplify right side
    57,275.86x = 2,512,110,641.59
  5. Step 5: Solve for x
    x = 2,512,110,641.59/57,275.86
  6. Step 6: Final answer
    x = 43,859.85

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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.