Home / 31,947.48-47,928.24-9,762.57

Finding the Fourth Proportional to 31,947.48, 47,928.24 and 9,762.57

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Solution

The fourth proportional to 31,947.48, 47,928.24 and 9,762.57 is: 14,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.48 : 47,928.24 = 9,762.57 : x
  2. Step 2: Convert to fraction form
    31,947.48/47,928.24 = 9,762.57/x
  3. Step 3: Cross multiply
    31,947.48x = 47,928.24 × 9,762.57
  4. Step 4: Simplify right side
    31,947.48x = 467,902,797.98
  5. Step 5: Solve for x
    x = 467,902,797.98/31,947.48
  6. Step 6: Final answer
    x = 14,646.00

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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.