Home / 20,293.60-30,440.40-5,504.35

Finding the Fourth Proportional to 20,293.60, 30,440.40 and 5,504.35

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Solution

The fourth proportional to 20,293.60, 30,440.40 and 5,504.35 is: 8,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.60 : 30,440.40 = 5,504.35 : x
  2. Step 2: Convert to fraction form
    20,293.60/30,440.40 = 5,504.35/x
  3. Step 3: Cross multiply
    20,293.60x = 30,440.40 × 5,504.35
  4. Step 4: Simplify right side
    20,293.60x = 167,554,615.74
  5. Step 5: Solve for x
    x = 167,554,615.74/20,293.60
  6. Step 6: Final answer
    x = 8,256.53

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1.5x scale

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.