Home / 55,715.54-76,886.99-30,221.84

Finding the Fourth Proportional to 55,715.54, 76,886.99 and 30,221.84

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Solution

The fourth proportional to 55,715.54, 76,886.99 and 30,221.84 is: 41,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.54 : 76,886.99 = 30,221.84 : x
  2. Step 2: Convert to fraction form
    55,715.54/76,886.99 = 30,221.84/x
  3. Step 3: Cross multiply
    55,715.54x = 76,886.99 × 30,221.84
  4. Step 4: Simplify right side
    55,715.54x = 2,323,666,309.86
  5. Step 5: Solve for x
    x = 2,323,666,309.86/55,715.54
  6. Step 6: Final answer
    x = 41,705.89

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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.