Home / 55,099.77-76,036.18-31,228.66

Finding the Fourth Proportional to 55,099.77, 76,036.18 and 31,228.66

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Solution

The fourth proportional to 55,099.77, 76,036.18 and 31,228.66 is: 43,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,099.77 : 76,036.18 = 31,228.66 : x
  2. Step 2: Convert to fraction form
    55,099.77/76,036.18 = 31,228.66/x
  3. Step 3: Cross multiply
    55,099.77x = 76,036.18 × 31,228.66
  4. Step 4: Simplify right side
    55,099.77x = 2,374,508,012.92
  5. Step 5: Solve for x
    x = 2,374,508,012.92/55,099.77
  6. Step 6: Final answer
    x = 43,094.70

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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.