Home / 55,047.90-75,967.89-31,174.06

Finding the Fourth Proportional to 55,047.90, 75,967.89 and 31,174.06

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Solution

The fourth proportional to 55,047.90, 75,967.89 and 31,174.06 is: 43,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,047.90 : 75,967.89 = 31,174.06 : x
  2. Step 2: Convert to fraction form
    55,047.90/75,967.89 = 31,174.06/x
  3. Step 3: Cross multiply
    55,047.90x = 75,967.89 × 31,174.06
  4. Step 4: Simplify right side
    55,047.90x = 2,368,227,560.93
  5. Step 5: Solve for x
    x = 2,368,227,560.93/55,047.90
  6. Step 6: Final answer
    x = 43,021.22

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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.