Home / 55,288.06-76,297.41-31,089.11

Finding the Fourth Proportional to 55,288.06, 76,297.41 and 31,089.11

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Solution

The fourth proportional to 55,288.06, 76,297.41 and 31,089.11 is: 42,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288.06 : 76,297.41 = 31,089.11 : x
  2. Step 2: Convert to fraction form
    55,288.06/76,297.41 = 31,089.11/x
  3. Step 3: Cross multiply
    55,288.06x = 76,297.41 × 31,089.11
  4. Step 4: Simplify right side
    55,288.06x = 2,372,018,190.72
  5. Step 5: Solve for x
    x = 2,372,018,190.72/55,288.06
  6. Step 6: Final answer
    x = 42,902.90

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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.