Home / 51,581.96-77,394.80-28,181.08

Finding the Fourth Proportional to 51,581.96, 77,394.80 and 28,181.08

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Solution

The fourth proportional to 51,581.96, 77,394.80 and 28,181.08 is: 42,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581.96 : 77,394.80 = 28,181.08 : x
  2. Step 2: Convert to fraction form
    51,581.96/77,394.80 = 28,181.08/x
  3. Step 3: Cross multiply
    51,581.96x = 77,394.80 × 28,181.08
  4. Step 4: Simplify right side
    51,581.96x = 2,181,069,050.38
  5. Step 5: Solve for x
    x = 2,181,069,050.38/51,581.96
  6. Step 6: Final answer
    x = 42,283.56

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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.