Home / 34,685.85-47,866.59-18,770.29

Finding the Fourth Proportional to 34,685.85, 47,866.59 and 18,770.29

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Solution

The fourth proportional to 34,685.85, 47,866.59 and 18,770.29 is: 25,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,685.85 : 47,866.59 = 18,770.29 : x
  2. Step 2: Convert to fraction form
    34,685.85/47,866.59 = 18,770.29/x
  3. Step 3: Cross multiply
    34,685.85x = 47,866.59 × 18,770.29
  4. Step 4: Simplify right side
    34,685.85x = 898,469,965.67
  5. Step 5: Solve for x
    x = 898,469,965.67/34,685.85
  6. Step 6: Final answer
    x = 25,903.07

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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.