Home / 31,692.13-47,539.31-15,043.59

Finding the Fourth Proportional to 31,692.13, 47,539.31 and 15,043.59

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Solution

The fourth proportional to 31,692.13, 47,539.31 and 15,043.59 is: 22,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.13 : 47,539.31 = 15,043.59 : x
  2. Step 2: Convert to fraction form
    31,692.13/47,539.31 = 15,043.59/x
  3. Step 3: Cross multiply
    31,692.13x = 47,539.31 × 15,043.59
  4. Step 4: Simplify right side
    31,692.13x = 715,161,813.30
  5. Step 5: Solve for x
    x = 715,161,813.30/31,692.13
  6. Step 6: Final answer
    x = 22,565.91

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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.