Home / 31,705.75-47,544.24-11,970.30

Finding the Fourth Proportional to 31,705.75, 47,544.24 and 11,970.30

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Solution

The fourth proportional to 31,705.75, 47,544.24 and 11,970.30 is: 17,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.75 : 47,544.24 = 11,970.30 : x
  2. Step 2: Convert to fraction form
    31,705.75/47,544.24 = 11,970.30/x
  3. Step 3: Cross multiply
    31,705.75x = 47,544.24 × 11,970.30
  4. Step 4: Simplify right side
    31,705.75x = 569,118,816.07
  5. Step 5: Solve for x
    x = 569,118,816.07/31,705.75
  6. Step 6: Final answer
    x = 17,950.02

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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.