Home / 40,438.64-60,655-17,956.40

Finding the Fourth Proportional to 40,438.64, 60,655 and 17,956.40

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Solution

The fourth proportional to 40,438.64, 60,655 and 17,956.40 is: 26,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.64 : 60,655 = 17,956.40 : x
  2. Step 2: Convert to fraction form
    40,438.64/60,655 = 17,956.40/x
  3. Step 3: Cross multiply
    40,438.64x = 60,655 × 17,956.40
  4. Step 4: Simplify right side
    40,438.64x = 1,089,145,442
  5. Step 5: Solve for x
    x = 1,089,145,442/40,438.64
  6. Step 6: Final answer
    x = 26,933.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.