Home / 47,056.96-70,566.60-20,743

Finding the Fourth Proportional to 47,056.96, 70,566.60 and 20,743

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Solution

The fourth proportional to 47,056.96, 70,566.60 and 20,743 is: 31,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,056.96 : 70,566.60 = 20,743 : x
  2. Step 2: Convert to fraction form
    47,056.96/70,566.60 = 20,743/x
  3. Step 3: Cross multiply
    47,056.96x = 70,566.60 × 20,743
  4. Step 4: Simplify right side
    47,056.96x = 1,463,762,983.80
  5. Step 5: Solve for x
    x = 1,463,762,983.80/47,056.96
  6. Step 6: Final answer
    x = 31,106.20

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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.