Home / 31,720.53-47,580.26-9,534.09

Finding the Fourth Proportional to 31,720.53, 47,580.26 and 9,534.09

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Solution

The fourth proportional to 31,720.53, 47,580.26 and 9,534.09 is: 14,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.53 : 47,580.26 = 9,534.09 : x
  2. Step 2: Convert to fraction form
    31,720.53/47,580.26 = 9,534.09/x
  3. Step 3: Cross multiply
    31,720.53x = 47,580.26 × 9,534.09
  4. Step 4: Simplify right side
    31,720.53x = 453,634,433.39
  5. Step 5: Solve for x
    x = 453,634,433.39/31,720.53
  6. Step 6: Final answer
    x = 14,300.97

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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.