Home / 56,195.54-77,550.14-30,702.42

Finding the Fourth Proportional to 56,195.54, 77,550.14 and 30,702.42

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Solution

The fourth proportional to 56,195.54, 77,550.14 and 30,702.42 is: 42,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,195.54 : 77,550.14 = 30,702.42 : x
  2. Step 2: Convert to fraction form
    56,195.54/77,550.14 = 30,702.42/x
  3. Step 3: Cross multiply
    56,195.54x = 77,550.14 × 30,702.42
  4. Step 4: Simplify right side
    56,195.54x = 2,380,976,969.34
  5. Step 5: Solve for x
    x = 2,380,976,969.34/56,195.54
  6. Step 6: Final answer
    x = 42,369.50

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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.