Home / 45,798.08-68,580.48-30,168.32

Finding the Fourth Proportional to 45,798.08, 68,580.48 and 30,168.32

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Solution

The fourth proportional to 45,798.08, 68,580.48 and 30,168.32 is: 45,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798.08 : 68,580.48 = 30,168.32 : x
  2. Step 2: Convert to fraction form
    45,798.08/68,580.48 = 30,168.32/x
  3. Step 3: Cross multiply
    45,798.08x = 68,580.48 × 30,168.32
  4. Step 4: Simplify right side
    45,798.08x = 2,068,957,866.39
  5. Step 5: Solve for x
    x = 2,068,957,866.39/45,798.08
  6. Step 6: Final answer
    x = 45,175.65

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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.