Home / 55,776.07-76,970.55-30,281.93

Finding the Fourth Proportional to 55,776.07, 76,970.55 and 30,281.93

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Solution

The fourth proportional to 55,776.07, 76,970.55 and 30,281.93 is: 41,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.07 : 76,970.55 = 30,281.93 : x
  2. Step 2: Convert to fraction form
    55,776.07/76,970.55 = 30,281.93/x
  3. Step 3: Cross multiply
    55,776.07x = 76,970.55 × 30,281.93
  4. Step 4: Simplify right side
    55,776.07x = 2,330,816,710.95
  5. Step 5: Solve for x
    x = 2,330,816,710.95/55,776.07
  6. Step 6: Final answer
    x = 41,788.83

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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.