Home / 55,054.59-75,980.63-30,855.43

Finding the Fourth Proportional to 55,054.59, 75,980.63 and 30,855.43

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Solution

The fourth proportional to 55,054.59, 75,980.63 and 30,855.43 is: 42,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,054.59 : 75,980.63 = 30,855.43 : x
  2. Step 2: Convert to fraction form
    55,054.59/75,980.63 = 30,855.43/x
  3. Step 3: Cross multiply
    55,054.59x = 75,980.63 × 30,855.43
  4. Step 4: Simplify right side
    55,054.59x = 2,344,414,933.18
  5. Step 5: Solve for x
    x = 2,344,414,933.18/55,054.59
  6. Step 6: Final answer
    x = 42,583.46

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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.