Home / 47,052.93-70,560.63-20,739

Finding the Fourth Proportional to 47,052.93, 70,560.63 and 20,739

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Solution

The fourth proportional to 47,052.93, 70,560.63 and 20,739 is: 31,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,052.93 : 70,560.63 = 20,739 : x
  2. Step 2: Convert to fraction form
    47,052.93/70,560.63 = 20,739/x
  3. Step 3: Cross multiply
    47,052.93x = 70,560.63 × 20,739
  4. Step 4: Simplify right side
    47,052.93x = 1,463,356,905.57
  5. Step 5: Solve for x
    x = 1,463,356,905.57/47,052.93
  6. Step 6: Final answer
    x = 31,100.23

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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.