Home / 55,731.69-76,914.99-31,853.76

Finding the Fourth Proportional to 55,731.69, 76,914.99 and 31,853.76

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Solution

The fourth proportional to 55,731.69, 76,914.99 and 31,853.76 is: 43,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731.69 : 76,914.99 = 31,853.76 : x
  2. Step 2: Convert to fraction form
    55,731.69/76,914.99 = 31,853.76/x
  3. Step 3: Cross multiply
    55,731.69x = 76,914.99 × 31,853.76
  4. Step 4: Simplify right side
    55,731.69x = 2,450,031,631.86
  5. Step 5: Solve for x
    x = 2,450,031,631.86/55,731.69
  6. Step 6: Final answer
    x = 43,961.19

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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.