Home / 31,826.54-47,753.64-12,110.74

Finding the Fourth Proportional to 31,826.54, 47,753.64 and 12,110.74

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Solution

The fourth proportional to 31,826.54, 47,753.64 and 12,110.74 is: 18,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.54 : 47,753.64 = 12,110.74 : x
  2. Step 2: Convert to fraction form
    31,826.54/47,753.64 = 12,110.74/x
  3. Step 3: Cross multiply
    31,826.54x = 47,753.64 × 12,110.74
  4. Step 4: Simplify right side
    31,826.54x = 578,331,798.71
  5. Step 5: Solve for x
    x = 578,331,798.71/31,826.54
  6. Step 6: Final answer
    x = 18,171.37

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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.