Home / 31,601.75-47,263.19-28,116.21

Finding the Fourth Proportional to 31,601.75, 47,263.19 and 28,116.21

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Solution

The fourth proportional to 31,601.75, 47,263.19 and 28,116.21 is: 42,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,601.75 : 47,263.19 = 28,116.21 : x
  2. Step 2: Convert to fraction form
    31,601.75/47,263.19 = 28,116.21/x
  3. Step 3: Cross multiply
    31,601.75x = 47,263.19 × 28,116.21
  4. Step 4: Simplify right side
    31,601.75x = 1,328,861,775.31
  5. Step 5: Solve for x
    x = 1,328,861,775.31/31,601.75
  6. Step 6: Final answer
    x = 42,050.26

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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.