Home / 31,785.06-47,677.63-11,008.56

Finding the Fourth Proportional to 31,785.06, 47,677.63 and 11,008.56

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Solution

The fourth proportional to 31,785.06, 47,677.63 and 11,008.56 is: 16,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785.06 : 47,677.63 = 11,008.56 : x
  2. Step 2: Convert to fraction form
    31,785.06/47,677.63 = 11,008.56/x
  3. Step 3: Cross multiply
    31,785.06x = 47,677.63 × 11,008.56
  4. Step 4: Simplify right side
    31,785.06x = 524,862,050.51
  5. Step 5: Solve for x
    x = 524,862,050.51/31,785.06
  6. Step 6: Final answer
    x = 16,512.85

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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.