Home / 51,878.79-71,564.45-45,152.55

Finding the Fourth Proportional to 51,878.79, 71,564.45 and 45,152.55

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Solution

The fourth proportional to 51,878.79, 71,564.45 and 45,152.55 is: 62,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,878.79 : 71,564.45 = 45,152.55 : x
  2. Step 2: Convert to fraction form
    51,878.79/71,564.45 = 45,152.55/x
  3. Step 3: Cross multiply
    51,878.79x = 71,564.45 × 45,152.55
  4. Step 4: Simplify right side
    51,878.79x = 3,231,317,181.08
  5. Step 5: Solve for x
    x = 3,231,317,181.08/51,878.79
  6. Step 6: Final answer
    x = 62,285.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.