Home / 31,427.83-47,141.75-9,241.21

Finding the Fourth Proportional to 31,427.83, 47,141.75 and 9,241.21

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Solution

The fourth proportional to 31,427.83, 47,141.75 and 9,241.21 is: 13,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.83 : 47,141.75 = 9,241.21 : x
  2. Step 2: Convert to fraction form
    31,427.83/47,141.75 = 9,241.21/x
  3. Step 3: Cross multiply
    31,427.83x = 47,141.75 × 9,241.21
  4. Step 4: Simplify right side
    31,427.83x = 435,646,811.52
  5. Step 5: Solve for x
    x = 435,646,811.52/31,427.83
  6. Step 6: Final answer
    x = 13,861.82

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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.