Home / 31,611.52-47,430.03-14,069.35

Finding the Fourth Proportional to 31,611.52, 47,430.03 and 14,069.35

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Solution

The fourth proportional to 31,611.52, 47,430.03 and 14,069.35 is: 21,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.52 : 47,430.03 = 14,069.35 : x
  2. Step 2: Convert to fraction form
    31,611.52/47,430.03 = 14,069.35/x
  3. Step 3: Cross multiply
    31,611.52x = 47,430.03 × 14,069.35
  4. Step 4: Simplify right side
    31,611.52x = 667,309,692.58
  5. Step 5: Solve for x
    x = 667,309,692.58/31,611.52
  6. Step 6: Final answer
    x = 21,109.70

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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.