Home / 55,192.50-76,165.65-30,042

Finding the Fourth Proportional to 55,192.50, 76,165.65 and 30,042

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Solution

The fourth proportional to 55,192.50, 76,165.65 and 30,042 is: 41,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.50 : 76,165.65 = 30,042 : x
  2. Step 2: Convert to fraction form
    55,192.50/76,165.65 = 30,042/x
  3. Step 3: Cross multiply
    55,192.50x = 76,165.65 × 30,042
  4. Step 4: Simplify right side
    55,192.50x = 2,288,168,457.30
  5. Step 5: Solve for x
    x = 2,288,168,457.30/55,192.50
  6. Step 6: Final answer
    x = 41,457.96

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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.