Home / 40,358.09-55,693.87-22,209.86

Finding the Fourth Proportional to 40,358.09, 55,693.87 and 22,209.86

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Solution

The fourth proportional to 40,358.09, 55,693.87 and 22,209.86 is: 30,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.09 : 55,693.87 = 22,209.86 : x
  2. Step 2: Convert to fraction form
    40,358.09/55,693.87 = 22,209.86/x
  3. Step 3: Cross multiply
    40,358.09x = 55,693.87 × 22,209.86
  4. Step 4: Simplify right side
    40,358.09x = 1,236,953,139.27
  5. Step 5: Solve for x
    x = 1,236,953,139.27/40,358.09
  6. Step 6: Final answer
    x = 30,649.45

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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.