Home / 55,972.56-77,242.04-30,822.08

Finding the Fourth Proportional to 55,972.56, 77,242.04 and 30,822.08

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Solution

The fourth proportional to 55,972.56, 77,242.04 and 30,822.08 is: 42,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,972.56 : 77,242.04 = 30,822.08 : x
  2. Step 2: Convert to fraction form
    55,972.56/77,242.04 = 30,822.08/x
  3. Step 3: Cross multiply
    55,972.56x = 77,242.04 × 30,822.08
  4. Step 4: Simplify right side
    55,972.56x = 2,380,760,336.24
  5. Step 5: Solve for x
    x = 2,380,760,336.24/55,972.56
  6. Step 6: Final answer
    x = 42,534.42

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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.