Home / 31,705.06-47,563.05-10,647.13

Finding the Fourth Proportional to 31,705.06, 47,563.05 and 10,647.13

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Solution

The fourth proportional to 31,705.06, 47,563.05 and 10,647.13 is: 15,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.06 : 47,563.05 = 10,647.13 : x
  2. Step 2: Convert to fraction form
    31,705.06/47,563.05 = 10,647.13/x
  3. Step 3: Cross multiply
    31,705.06x = 47,563.05 × 10,647.13
  4. Step 4: Simplify right side
    31,705.06x = 506,409,976.55
  5. Step 5: Solve for x
    x = 506,409,976.55/31,705.06
  6. Step 6: Final answer
    x = 15,972.53

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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.