Home / 34,686.37-47,867.31-18,770.81

Finding the Fourth Proportional to 34,686.37, 47,867.31 and 18,770.81

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Solution

The fourth proportional to 34,686.37, 47,867.31 and 18,770.81 is: 25,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.37 : 47,867.31 = 18,770.81 : x
  2. Step 2: Convert to fraction form
    34,686.37/47,867.31 = 18,770.81/x
  3. Step 3: Cross multiply
    34,686.37x = 47,867.31 × 18,770.81
  4. Step 4: Simplify right side
    34,686.37x = 898,508,230.50
  5. Step 5: Solve for x
    x = 898,508,230.50/34,686.37
  6. Step 6: Final answer
    x = 25,903.79

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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.