Home / 40,789.95-56,289.78-22,884.57

Finding the Fourth Proportional to 40,789.95, 56,289.78 and 22,884.57

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Solution

The fourth proportional to 40,789.95, 56,289.78 and 22,884.57 is: 31,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,789.95 : 56,289.78 = 22,884.57 : x
  2. Step 2: Convert to fraction form
    40,789.95/56,289.78 = 22,884.57/x
  3. Step 3: Cross multiply
    40,789.95x = 56,289.78 × 22,884.57
  4. Step 4: Simplify right side
    40,789.95x = 1,288,167,410.69
  5. Step 5: Solve for x
    x = 1,288,167,410.69/40,789.95
  6. Step 6: Final answer
    x = 31,580.51

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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.