Home / 31,667.06-47,537.40-18,528.86

Finding the Fourth Proportional to 31,667.06, 47,537.40 and 18,528.86

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Solution

The fourth proportional to 31,667.06, 47,537.40 and 18,528.86 is: 27,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,667.06 : 47,537.40 = 18,528.86 : x
  2. Step 2: Convert to fraction form
    31,667.06/47,537.40 = 18,528.86/x
  3. Step 3: Cross multiply
    31,667.06x = 47,537.40 × 18,528.86
  4. Step 4: Simplify right side
    31,667.06x = 880,813,829.36
  5. Step 5: Solve for x
    x = 880,813,829.36/31,667.06
  6. Step 6: Final answer
    x = 27,814.83

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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.