Home / 47,247.04-70,847.46-20,615.53

Finding the Fourth Proportional to 47,247.04, 70,847.46 and 20,615.53

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Solution

The fourth proportional to 47,247.04, 70,847.46 and 20,615.53 is: 30,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,247.04 : 70,847.46 = 20,615.53 : x
  2. Step 2: Convert to fraction form
    47,247.04/70,847.46 = 20,615.53/x
  3. Step 3: Cross multiply
    47,247.04x = 70,847.46 × 20,615.53
  4. Step 4: Simplify right side
    47,247.04x = 1,460,557,833.98
  5. Step 5: Solve for x
    x = 1,460,557,833.98/47,247.04
  6. Step 6: Final answer
    x = 30,913.22

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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.