Home / 55,624.32-76,749.12-31,743.36

Finding the Fourth Proportional to 55,624.32, 76,749.12 and 31,743.36

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Solution

The fourth proportional to 55,624.32, 76,749.12 and 31,743.36 is: 43,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624.32 : 76,749.12 = 31,743.36 : x
  2. Step 2: Convert to fraction form
    55,624.32/76,749.12 = 31,743.36/x
  3. Step 3: Cross multiply
    55,624.32x = 76,749.12 × 31,743.36
  4. Step 4: Simplify right side
    55,624.32x = 2,436,274,945.84
  5. Step 5: Solve for x
    x = 2,436,274,945.84/55,624.32
  6. Step 6: Final answer
    x = 43,798.74

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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.