Home / 34,530.29-47,655.48-20,194.50

Finding the Fourth Proportional to 34,530.29, 47,655.48 and 20,194.50

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Solution

The fourth proportional to 34,530.29, 47,655.48 and 20,194.50 is: 27,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,530.29 : 47,655.48 = 20,194.50 : x
  2. Step 2: Convert to fraction form
    34,530.29/47,655.48 = 20,194.50/x
  3. Step 3: Cross multiply
    34,530.29x = 47,655.48 × 20,194.50
  4. Step 4: Simplify right side
    34,530.29x = 962,378,590.86
  5. Step 5: Solve for x
    x = 962,378,590.86/34,530.29
  6. Step 6: Final answer
    x = 27,870.57

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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.