Home / 31,452.77-47,187.36-11,731.50

Finding the Fourth Proportional to 31,452.77, 47,187.36 and 11,731.50

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Solution

The fourth proportional to 31,452.77, 47,187.36 and 11,731.50 is: 17,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.77 : 47,187.36 = 11,731.50 : x
  2. Step 2: Convert to fraction form
    31,452.77/47,187.36 = 11,731.50/x
  3. Step 3: Cross multiply
    31,452.77x = 47,187.36 × 11,731.50
  4. Step 4: Simplify right side
    31,452.77x = 553,578,513.84
  5. Step 5: Solve for x
    x = 553,578,513.84/31,452.77
  6. Step 6: Final answer
    x = 17,600.31

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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.