Home / 42,455.61-63,661.46-19,062.09

Finding the Fourth Proportional to 42,455.61, 63,661.46 and 19,062.09

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Solution

The fourth proportional to 42,455.61, 63,661.46 and 19,062.09 is: 28,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.61 : 63,661.46 = 19,062.09 : x
  2. Step 2: Convert to fraction form
    42,455.61/63,661.46 = 19,062.09/x
  3. Step 3: Cross multiply
    42,455.61x = 63,661.46 × 19,062.09
  4. Step 4: Simplify right side
    42,455.61x = 1,213,520,384.74
  5. Step 5: Solve for x
    x = 1,213,520,384.74/42,455.61
  6. Step 6: Final answer
    x = 28,583.28

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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.