Home / 55,934.48-77,189.58-30,783.98

Finding the Fourth Proportional to 55,934.48, 77,189.58 and 30,783.98

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Solution

The fourth proportional to 55,934.48, 77,189.58 and 30,783.98 is: 42,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,934.48 : 77,189.58 = 30,783.98 : x
  2. Step 2: Convert to fraction form
    55,934.48/77,189.58 = 30,783.98/x
  3. Step 3: Cross multiply
    55,934.48x = 77,189.58 × 30,783.98
  4. Step 4: Simplify right side
    55,934.48x = 2,376,202,100.98
  5. Step 5: Solve for x
    x = 2,376,202,100.98/55,934.48
  6. Step 6: Final answer
    x = 42,481.89

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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.