Home / 55,535.70-76,641.30-31,662.12

Finding the Fourth Proportional to 55,535.70, 76,641.30 and 31,662.12

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Solution

The fourth proportional to 55,535.70, 76,641.30 and 31,662.12 is: 43,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,535.70 : 76,641.30 = 31,662.12 : x
  2. Step 2: Convert to fraction form
    55,535.70/76,641.30 = 31,662.12/x
  3. Step 3: Cross multiply
    55,535.70x = 76,641.30 × 31,662.12
  4. Step 4: Simplify right side
    55,535.70x = 2,426,626,037.56
  5. Step 5: Solve for x
    x = 2,426,626,037.56/55,535.70
  6. Step 6: Final answer
    x = 43,694.89

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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.