Home / 55,420.61-76,381.56-41,959.62

Finding the Fourth Proportional to 55,420.61, 76,381.56 and 41,959.62

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Solution

The fourth proportional to 55,420.61, 76,381.56 and 41,959.62 is: 57,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.61 : 76,381.56 = 41,959.62 : x
  2. Step 2: Convert to fraction form
    55,420.61/76,381.56 = 41,959.62/x
  3. Step 3: Cross multiply
    55,420.61x = 76,381.56 × 41,959.62
  4. Step 4: Simplify right side
    55,420.61x = 3,204,941,232.61
  5. Step 5: Solve for x
    x = 3,204,941,232.61/55,420.61
  6. Step 6: Final answer
    x = 57,829.41

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1.5x scale

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.