Home / 31,529.52-47,261.34-12,802.05

Finding the Fourth Proportional to 31,529.52, 47,261.34 and 12,802.05

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Solution

The fourth proportional to 31,529.52, 47,261.34 and 12,802.05 is: 19,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.52 : 47,261.34 = 12,802.05 : x
  2. Step 2: Convert to fraction form
    31,529.52/47,261.34 = 12,802.05/x
  3. Step 3: Cross multiply
    31,529.52x = 47,261.34 × 12,802.05
  4. Step 4: Simplify right side
    31,529.52x = 605,042,037.75
  5. Step 5: Solve for x
    x = 605,042,037.75/31,529.52
  6. Step 6: Final answer
    x = 19,189.70

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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.