Home / 63,528.66-87,612.18-39,657.54

Finding the Fourth Proportional to 63,528.66, 87,612.18 and 39,657.54

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Solution

The fourth proportional to 63,528.66, 87,612.18 and 39,657.54 is: 54,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,528.66 : 87,612.18 = 39,657.54 : x
  2. Step 2: Convert to fraction form
    63,528.66/87,612.18 = 39,657.54/x
  3. Step 3: Cross multiply
    63,528.66x = 87,612.18 × 39,657.54
  4. Step 4: Simplify right side
    63,528.66x = 3,474,483,532.84
  5. Step 5: Solve for x
    x = 3,474,483,532.84/63,528.66
  6. Step 6: Final answer
    x = 54,691.59

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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.