Home / 31,500.76-47,252.46-11,777.32

Finding the Fourth Proportional to 31,500.76, 47,252.46 and 11,777.32

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Solution

The fourth proportional to 31,500.76, 47,252.46 and 11,777.32 is: 17,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.76 : 47,252.46 = 11,777.32 : x
  2. Step 2: Convert to fraction form
    31,500.76/47,252.46 = 11,777.32/x
  3. Step 3: Cross multiply
    31,500.76x = 47,252.46 × 11,777.32
  4. Step 4: Simplify right side
    31,500.76x = 556,507,342.21
  5. Step 5: Solve for x
    x = 556,507,342.21/31,500.76
  6. Step 6: Final answer
    x = 17,666.47

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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.