Home / 31,616.24-47,424.36-10,839.92

Finding the Fourth Proportional to 31,616.24, 47,424.36 and 10,839.92

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Solution

The fourth proportional to 31,616.24, 47,424.36 and 10,839.92 is: 16,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,616.24 : 47,424.36 = 10,839.92 : x
  2. Step 2: Convert to fraction form
    31,616.24/47,424.36 = 10,839.92/x
  3. Step 3: Cross multiply
    31,616.24x = 47,424.36 × 10,839.92
  4. Step 4: Simplify right side
    31,616.24x = 514,076,268.45
  5. Step 5: Solve for x
    x = 514,076,268.45/31,616.24
  6. Step 6: Final answer
    x = 16,259.88

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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.