Home / 54,489.84-75,187.58-30,611.90

Finding the Fourth Proportional to 54,489.84, 75,187.58 and 30,611.90

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Solution

The fourth proportional to 54,489.84, 75,187.58 and 30,611.90 is: 42,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,489.84 : 75,187.58 = 30,611.90 : x
  2. Step 2: Convert to fraction form
    54,489.84/75,187.58 = 30,611.90/x
  3. Step 3: Cross multiply
    54,489.84x = 75,187.58 × 30,611.90
  4. Step 4: Simplify right side
    54,489.84x = 2,301,634,151.20
  5. Step 5: Solve for x
    x = 2,301,634,151.20/54,489.84
  6. Step 6: Final answer
    x = 42,239.69

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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.