Home / 50,985.88-70,360.45-28,326.96

Finding the Fourth Proportional to 50,985.88, 70,360.45 and 28,326.96

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Solution

The fourth proportional to 50,985.88, 70,360.45 and 28,326.96 is: 39,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.88 : 70,360.45 = 28,326.96 : x
  2. Step 2: Convert to fraction form
    50,985.88/70,360.45 = 28,326.96/x
  3. Step 3: Cross multiply
    50,985.88x = 70,360.45 × 28,326.96
  4. Step 4: Simplify right side
    50,985.88x = 1,993,097,581.91
  5. Step 5: Solve for x
    x = 1,993,097,581.91/50,985.88
  6. Step 6: Final answer
    x = 39,091.17

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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.