Home / 31,947.90-47,927.54-10,886.77

Finding the Fourth Proportional to 31,947.90, 47,927.54 and 10,886.77

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Solution

The fourth proportional to 31,947.90, 47,927.54 and 10,886.77 is: 16,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.90 : 47,927.54 = 10,886.77 : x
  2. Step 2: Convert to fraction form
    31,947.90/47,927.54 = 10,886.77/x
  3. Step 3: Cross multiply
    31,947.90x = 47,927.54 × 10,886.77
  4. Step 4: Simplify right side
    31,947.90x = 521,776,104.65
  5. Step 5: Solve for x
    x = 521,776,104.65/31,947.90
  6. Step 6: Final answer
    x = 16,332.09

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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.