Home / 34,685.96-47,866.55-18,770.40

Finding the Fourth Proportional to 34,685.96, 47,866.55 and 18,770.40

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Solution

The fourth proportional to 34,685.96, 47,866.55 and 18,770.40 is: 25,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,685.96 : 47,866.55 = 18,770.40 : x
  2. Step 2: Convert to fraction form
    34,685.96/47,866.55 = 18,770.40/x
  3. Step 3: Cross multiply
    34,685.96x = 47,866.55 × 18,770.40
  4. Step 4: Simplify right side
    34,685.96x = 898,474,196.27
  5. Step 5: Solve for x
    x = 898,474,196.27/34,685.96
  6. Step 6: Final answer
    x = 25,903.11

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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.