Home / 39,796.51-54,927-22,812.13

Finding the Fourth Proportional to 39,796.51, 54,927 and 22,812.13

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Solution

The fourth proportional to 39,796.51, 54,927 and 22,812.13 is: 31,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,796.51 : 54,927 = 22,812.13 : x
  2. Step 2: Convert to fraction form
    39,796.51/54,927 = 22,812.13/x
  3. Step 3: Cross multiply
    39,796.51x = 54,927 × 22,812.13
  4. Step 4: Simplify right side
    39,796.51x = 1,253,001,864.51
  5. Step 5: Solve for x
    x = 1,253,001,864.51/39,796.51
  6. Step 6: Final answer
    x = 31,485.22

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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.