Home / 49,427.52-74,215.26-42,784.62

Finding the Fourth Proportional to 49,427.52, 74,215.26 and 42,784.62

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Solution

The fourth proportional to 49,427.52, 74,215.26 and 42,784.62 is: 64,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,427.52 : 74,215.26 = 42,784.62 : x
  2. Step 2: Convert to fraction form
    49,427.52/74,215.26 = 42,784.62/x
  3. Step 3: Cross multiply
    49,427.52x = 74,215.26 × 42,784.62
  4. Step 4: Simplify right side
    49,427.52x = 3,175,271,697.30
  5. Step 5: Solve for x
    x = 3,175,271,697.30/49,427.52
  6. Step 6: Final answer
    x = 64,240.97

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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.