Home / 55,292.63-76,303.82-30,142.13

Finding the Fourth Proportional to 55,292.63, 76,303.82 and 30,142.13

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Solution

The fourth proportional to 55,292.63, 76,303.82 and 30,142.13 is: 41,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.63 : 76,303.82 = 30,142.13 : x
  2. Step 2: Convert to fraction form
    55,292.63/76,303.82 = 30,142.13/x
  3. Step 3: Cross multiply
    55,292.63x = 76,303.82 × 30,142.13
  4. Step 4: Simplify right side
    55,292.63x = 2,299,959,355.77
  5. Step 5: Solve for x
    x = 2,299,959,355.77/55,292.63
  6. Step 6: Final answer
    x = 41,596.13

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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.