Home / 55,215.36-76,197.60-30,065.76

Finding the Fourth Proportional to 55,215.36, 76,197.60 and 30,065.76

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Solution

The fourth proportional to 55,215.36, 76,197.60 and 30,065.76 is: 41,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.36 : 76,197.60 = 30,065.76 : x
  2. Step 2: Convert to fraction form
    55,215.36/76,197.60 = 30,065.76/x
  3. Step 3: Cross multiply
    55,215.36x = 76,197.60 × 30,065.76
  4. Step 4: Simplify right side
    55,215.36x = 2,290,938,754.18
  5. Step 5: Solve for x
    x = 2,290,938,754.18/55,215.36
  6. Step 6: Final answer
    x = 41,490.97

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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.