Home / 55,550.34-76,658.40-30,399.84

Finding the Fourth Proportional to 55,550.34, 76,658.40 and 30,399.84

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Solution

The fourth proportional to 55,550.34, 76,658.40 and 30,399.84 is: 41,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550.34 : 76,658.40 = 30,399.84 : x
  2. Step 2: Convert to fraction form
    55,550.34/76,658.40 = 30,399.84/x
  3. Step 3: Cross multiply
    55,550.34x = 76,658.40 × 30,399.84
  4. Step 4: Simplify right side
    55,550.34x = 2,330,403,094.66
  5. Step 5: Solve for x
    x = 2,330,403,094.66/55,550.34
  6. Step 6: Final answer
    x = 41,951.19

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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.