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Finding the Fourth Proportional to 63,458.24, 87,564 and 35,160.32

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Solution

The fourth proportional to 63,458.24, 87,564 and 35,160.32 is: 48,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,458.24 : 87,564 = 35,160.32 : x
  2. Step 2: Convert to fraction form
    63,458.24/87,564 = 35,160.32/x
  3. Step 3: Cross multiply
    63,458.24x = 87,564 × 35,160.32
  4. Step 4: Simplify right side
    63,458.24x = 3,078,778,260.48
  5. Step 5: Solve for x
    x = 3,078,778,260.48/63,458.24
  6. Step 6: Final answer
    x = 48,516.60

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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.