Home / 34,686.21-47,867.31-18,770.99

Finding the Fourth Proportional to 34,686.21, 47,867.31 and 18,770.99

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Solution

The fourth proportional to 34,686.21, 47,867.31 and 18,770.99 is: 25,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.21 : 47,867.31 = 18,770.99 : x
  2. Step 2: Convert to fraction form
    34,686.21/47,867.31 = 18,770.99/x
  3. Step 3: Cross multiply
    34,686.21x = 47,867.31 × 18,770.99
  4. Step 4: Simplify right side
    34,686.21x = 898,516,750.41
  5. Step 5: Solve for x
    x = 898,516,750.41/34,686.21
  6. Step 6: Final answer
    x = 25,904.15

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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.