Home / 40,303.76-55,622.61-22,398.30

Finding the Fourth Proportional to 40,303.76, 55,622.61 and 22,398.30

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Solution

The fourth proportional to 40,303.76, 55,622.61 and 22,398.30 is: 30,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.76 : 55,622.61 = 22,398.30 : x
  2. Step 2: Convert to fraction form
    40,303.76/55,622.61 = 22,398.30/x
  3. Step 3: Cross multiply
    40,303.76x = 55,622.61 × 22,398.30
  4. Step 4: Simplify right side
    40,303.76x = 1,245,851,905.56
  5. Step 5: Solve for x
    x = 1,245,851,905.56/40,303.76
  6. Step 6: Final answer
    x = 30,911.56

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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.