Home / 53,538.55-73,881.22-30,878.49

Finding the Fourth Proportional to 53,538.55, 73,881.22 and 30,878.49

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Solution

The fourth proportional to 53,538.55, 73,881.22 and 30,878.49 is: 42,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,538.55 : 73,881.22 = 30,878.49 : x
  2. Step 2: Convert to fraction form
    53,538.55/73,881.22 = 30,878.49/x
  3. Step 3: Cross multiply
    53,538.55x = 73,881.22 × 30,878.49
  4. Step 4: Simplify right side
    53,538.55x = 2,281,340,512.96
  5. Step 5: Solve for x
    x = 2,281,340,512.96/53,538.55
  6. Step 6: Final answer
    x = 42,611.17

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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.