Home / 42,037.78-63,056.64-15,754.90

Finding the Fourth Proportional to 42,037.78, 63,056.64 and 15,754.90

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Solution

The fourth proportional to 42,037.78, 63,056.64 and 15,754.90 is: 23,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.78 : 63,056.64 = 15,754.90 : x
  2. Step 2: Convert to fraction form
    42,037.78/63,056.64 = 15,754.90/x
  3. Step 3: Cross multiply
    42,037.78x = 63,056.64 × 15,754.90
  4. Step 4: Simplify right side
    42,037.78x = 993,451,057.54
  5. Step 5: Solve for x
    x = 993,451,057.54/42,037.78
  6. Step 6: Final answer
    x = 23,632.34

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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.