Home / 55,721.46-83,561.40-22,430.28

Finding the Fourth Proportional to 55,721.46, 83,561.40 and 22,430.28

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Solution

The fourth proportional to 55,721.46, 83,561.40 and 22,430.28 is: 33,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,721.46 : 83,561.40 = 22,430.28 : x
  2. Step 2: Convert to fraction form
    55,721.46/83,561.40 = 22,430.28/x
  3. Step 3: Cross multiply
    55,721.46x = 83,561.40 × 22,430.28
  4. Step 4: Simplify right side
    55,721.46x = 1,874,305,599.19
  5. Step 5: Solve for x
    x = 1,874,305,599.19/55,721.46
  6. Step 6: Final answer
    x = 33,637.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.