Home / 55,005.04-75,893.94-31,131.71

Finding the Fourth Proportional to 55,005.04, 75,893.94 and 31,131.71

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Solution

The fourth proportional to 55,005.04, 75,893.94 and 31,131.71 is: 42,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.04 : 75,893.94 = 31,131.71 : x
  2. Step 2: Convert to fraction form
    55,005.04/75,893.94 = 31,131.71/x
  3. Step 3: Cross multiply
    55,005.04x = 75,893.94 × 31,131.71
  4. Step 4: Simplify right side
    55,005.04x = 2,362,708,035.97
  5. Step 5: Solve for x
    x = 2,362,708,035.97/55,005.04
  6. Step 6: Final answer
    x = 42,954.40

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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.