Home / 55,071.72-75,986.46-31,192.92

Finding the Fourth Proportional to 55,071.72, 75,986.46 and 31,192.92

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Solution

The fourth proportional to 55,071.72, 75,986.46 and 31,192.92 is: 43,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.72 : 75,986.46 = 31,192.92 : x
  2. Step 2: Convert to fraction form
    55,071.72/75,986.46 = 31,192.92/x
  3. Step 3: Cross multiply
    55,071.72x = 75,986.46 × 31,192.92
  4. Step 4: Simplify right side
    55,071.72x = 2,370,239,567.86
  5. Step 5: Solve for x
    x = 2,370,239,567.86/55,071.72
  6. Step 6: Final answer
    x = 43,039.14

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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.