Home / 31,506.48-47,288.88-15,935.04

Finding the Fourth Proportional to 31,506.48, 47,288.88 and 15,935.04

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Solution

The fourth proportional to 31,506.48, 47,288.88 and 15,935.04 is: 23,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.48 : 47,288.88 = 15,935.04 : x
  2. Step 2: Convert to fraction form
    31,506.48/47,288.88 = 15,935.04/x
  3. Step 3: Cross multiply
    31,506.48x = 47,288.88 × 15,935.04
  4. Step 4: Simplify right side
    31,506.48x = 753,550,194.36
  5. Step 5: Solve for x
    x = 753,550,194.36/31,506.48
  6. Step 6: Final answer
    x = 23,917.31

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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.