Home / 55,068.36-75,996.12-31,194.52

Finding the Fourth Proportional to 55,068.36, 75,996.12 and 31,194.52

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Solution

The fourth proportional to 55,068.36, 75,996.12 and 31,194.52 is: 43,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,068.36 : 75,996.12 = 31,194.52 : x
  2. Step 2: Convert to fraction form
    55,068.36/75,996.12 = 31,194.52/x
  3. Step 3: Cross multiply
    55,068.36x = 75,996.12 × 31,194.52
  4. Step 4: Simplify right side
    55,068.36x = 2,370,662,485.26
  5. Step 5: Solve for x
    x = 2,370,662,485.26/55,068.36
  6. Step 6: Final answer
    x = 43,049.45

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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.