Home / 55,420.25-76,419.45-37,484.15

Finding the Fourth Proportional to 55,420.25, 76,419.45 and 37,484.15

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Solution

The fourth proportional to 55,420.25, 76,419.45 and 37,484.15 is: 51,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.25 : 76,419.45 = 37,484.15 : x
  2. Step 2: Convert to fraction form
    55,420.25/76,419.45 = 37,484.15/x
  3. Step 3: Cross multiply
    55,420.25x = 76,419.45 × 37,484.15
  4. Step 4: Simplify right side
    55,420.25x = 2,864,517,744.62
  5. Step 5: Solve for x
    x = 2,864,517,744.62/55,420.25
  6. Step 6: Final answer
    x = 51,687.21

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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.