Home / 40,430.64-55,797.36-23,439.60

Finding the Fourth Proportional to 40,430.64, 55,797.36 and 23,439.60

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Solution

The fourth proportional to 40,430.64, 55,797.36 and 23,439.60 is: 32,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430.64 : 55,797.36 = 23,439.60 : x
  2. Step 2: Convert to fraction form
    40,430.64/55,797.36 = 23,439.60/x
  3. Step 3: Cross multiply
    40,430.64x = 55,797.36 × 23,439.60
  4. Step 4: Simplify right side
    40,430.64x = 1,307,867,799.46
  5. Step 5: Solve for x
    x = 1,307,867,799.46/40,430.64
  6. Step 6: Final answer
    x = 32,348.43

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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.