Home / 55,866.24-77,092.56-30,710.88

Finding the Fourth Proportional to 55,866.24, 77,092.56 and 30,710.88

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Solution

The fourth proportional to 55,866.24, 77,092.56 and 30,710.88 is: 42,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.24 : 77,092.56 = 30,710.88 : x
  2. Step 2: Convert to fraction form
    55,866.24/77,092.56 = 30,710.88/x
  3. Step 3: Cross multiply
    55,866.24x = 77,092.56 × 30,710.88
  4. Step 4: Simplify right side
    55,866.24x = 2,367,580,359.05
  5. Step 5: Solve for x
    x = 2,367,580,359.05/55,866.24
  6. Step 6: Final answer
    x = 42,379.45

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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.