Home / 55,517.36-76,615.10-30,368.48

Finding the Fourth Proportional to 55,517.36, 76,615.10 and 30,368.48

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Solution

The fourth proportional to 55,517.36, 76,615.10 and 30,368.48 is: 41,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.36 : 76,615.10 = 30,368.48 : x
  2. Step 2: Convert to fraction form
    55,517.36/76,615.10 = 30,368.48/x
  3. Step 3: Cross multiply
    55,517.36x = 76,615.10 × 30,368.48
  4. Step 4: Simplify right side
    55,517.36x = 2,326,684,132.05
  5. Step 5: Solve for x
    x = 2,326,684,132.05/55,517.36
  6. Step 6: Final answer
    x = 41,909.13

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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.