Home / 34,685.68-47,866.36-18,770.12

Finding the Fourth Proportional to 34,685.68, 47,866.36 and 18,770.12

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Solution

The fourth proportional to 34,685.68, 47,866.36 and 18,770.12 is: 25,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,685.68 : 47,866.36 = 18,770.12 : x
  2. Step 2: Convert to fraction form
    34,685.68/47,866.36 = 18,770.12/x
  3. Step 3: Cross multiply
    34,685.68x = 47,866.36 × 18,770.12
  4. Step 4: Simplify right side
    34,685.68x = 898,457,321.16
  5. Step 5: Solve for x
    x = 898,457,321.16/34,685.68
  6. Step 6: Final answer
    x = 25,902.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.