Home / 55,986.63-77,261.55-30,836.13

Finding the Fourth Proportional to 55,986.63, 77,261.55 and 30,836.13

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Solution

The fourth proportional to 55,986.63, 77,261.55 and 30,836.13 is: 42,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.63 : 77,261.55 = 30,836.13 : x
  2. Step 2: Convert to fraction form
    55,986.63/77,261.55 = 30,836.13/x
  3. Step 3: Cross multiply
    55,986.63x = 77,261.55 × 30,836.13
  4. Step 4: Simplify right side
    55,986.63x = 2,382,446,794.44
  5. Step 5: Solve for x
    x = 2,382,446,794.44/55,986.63
  6. Step 6: Final answer
    x = 42,553.86

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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.