Home / 55,777.22-76,972.57-30,626.72

Finding the Fourth Proportional to 55,777.22, 76,972.57 and 30,626.72

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Solution

The fourth proportional to 55,777.22, 76,972.57 and 30,626.72 is: 42,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777.22 : 76,972.57 = 30,626.72 : x
  2. Step 2: Convert to fraction form
    55,777.22/76,972.57 = 30,626.72/x
  3. Step 3: Cross multiply
    55,777.22x = 76,972.57 × 30,626.72
  4. Step 4: Simplify right side
    55,777.22x = 2,357,417,464.94
  5. Step 5: Solve for x
    x = 2,357,417,464.94/55,777.22
  6. Step 6: Final answer
    x = 42,264.88

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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.