Home / 31,823.34-47,703.87-17,790.18

Finding the Fourth Proportional to 31,823.34, 47,703.87 and 17,790.18

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Solution

The fourth proportional to 31,823.34, 47,703.87 and 17,790.18 is: 26,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.34 : 47,703.87 = 17,790.18 : x
  2. Step 2: Convert to fraction form
    31,823.34/47,703.87 = 17,790.18/x
  3. Step 3: Cross multiply
    31,823.34x = 47,703.87 × 17,790.18
  4. Step 4: Simplify right side
    31,823.34x = 848,660,434.00
  5. Step 5: Solve for x
    x = 848,660,434.00/31,823.34
  6. Step 6: Final answer
    x = 26,667.86

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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.