Home / 42,790.61-64,201.12-19,096.00

Finding the Fourth Proportional to 42,790.61, 64,201.12 and 19,096.00

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Solution

The fourth proportional to 42,790.61, 64,201.12 and 19,096.00 is: 28,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,790.61 : 64,201.12 = 19,096.00 : x
  2. Step 2: Convert to fraction form
    42,790.61/64,201.12 = 19,096.00/x
  3. Step 3: Cross multiply
    42,790.61x = 64,201.12 × 19,096.00
  4. Step 4: Simplify right side
    42,790.61x = 1,225,984,379.28
  5. Step 5: Solve for x
    x = 1,225,984,379.28/42,790.61
  6. Step 6: Final answer
    x = 28,650.78

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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.