Home / 31,442.77-47,163.06-8,953.59

Finding the Fourth Proportional to 31,442.77, 47,163.06 and 8,953.59

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Solution

The fourth proportional to 31,442.77, 47,163.06 and 8,953.59 is: 13,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.77 : 47,163.06 = 8,953.59 : x
  2. Step 2: Convert to fraction form
    31,442.77/47,163.06 = 8,953.59/x
  3. Step 3: Cross multiply
    31,442.77x = 47,163.06 × 8,953.59
  4. Step 4: Simplify right side
    31,442.77x = 422,278,702.39
  5. Step 5: Solve for x
    x = 422,278,702.39/31,442.77
  6. Step 6: Final answer
    x = 13,430.07

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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.