Home / 47,903.41-71,855.12-18,330.31

Finding the Fourth Proportional to 47,903.41, 71,855.12 and 18,330.31

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Solution

The fourth proportional to 47,903.41, 71,855.12 and 18,330.31 is: 27,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,903.41 : 71,855.12 = 18,330.31 : x
  2. Step 2: Convert to fraction form
    47,903.41/71,855.12 = 18,330.31/x
  3. Step 3: Cross multiply
    47,903.41x = 71,855.12 × 18,330.31
  4. Step 4: Simplify right side
    47,903.41x = 1,317,126,624.69
  5. Step 5: Solve for x
    x = 1,317,126,624.69/47,903.41
  6. Step 6: Final answer
    x = 27,495.47

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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.