Home / 31,800.04-47,700.12-11,023.56

Finding the Fourth Proportional to 31,800.04, 47,700.12 and 11,023.56

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Solution

The fourth proportional to 31,800.04, 47,700.12 and 11,023.56 is: 16,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.04 : 47,700.12 = 11,023.56 : x
  2. Step 2: Convert to fraction form
    31,800.04/47,700.12 = 11,023.56/x
  3. Step 3: Cross multiply
    31,800.04x = 47,700.12 × 11,023.56
  4. Step 4: Simplify right side
    31,800.04x = 525,825,134.83
  5. Step 5: Solve for x
    x = 525,825,134.83/31,800.04
  6. Step 6: Final answer
    x = 16,535.36

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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.