Home / 42,289.46-63,427.58-18,591.76

Finding the Fourth Proportional to 42,289.46, 63,427.58 and 18,591.76

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Solution

The fourth proportional to 42,289.46, 63,427.58 and 18,591.76 is: 27,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,289.46 : 63,427.58 = 18,591.76 : x
  2. Step 2: Convert to fraction form
    42,289.46/63,427.58 = 18,591.76/x
  3. Step 3: Cross multiply
    42,289.46x = 63,427.58 × 18,591.76
  4. Step 4: Simplify right side
    42,289.46x = 1,179,230,344.74
  5. Step 5: Solve for x
    x = 1,179,230,344.74/42,289.46
  6. Step 6: Final answer
    x = 27,884.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.