Home / 47,057.86-70,589.22-20,762.83

Finding the Fourth Proportional to 47,057.86, 70,589.22 and 20,762.83

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Solution

The fourth proportional to 47,057.86, 70,589.22 and 20,762.83 is: 31,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,057.86 : 70,589.22 = 20,762.83 : x
  2. Step 2: Convert to fraction form
    47,057.86/70,589.22 = 20,762.83/x
  3. Step 3: Cross multiply
    47,057.86x = 70,589.22 × 20,762.83
  4. Step 4: Simplify right side
    47,057.86x = 1,465,631,974.69
  5. Step 5: Solve for x
    x = 1,465,631,974.69/47,057.86
  6. Step 6: Final answer
    x = 31,145.32

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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.