Home / 53,514.45-73,849.76-30,853.32

Finding the Fourth Proportional to 53,514.45, 73,849.76 and 30,853.32

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Solution

The fourth proportional to 53,514.45, 73,849.76 and 30,853.32 is: 42,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,514.45 : 73,849.76 = 30,853.32 : x
  2. Step 2: Convert to fraction form
    53,514.45/73,849.76 = 30,853.32/x
  3. Step 3: Cross multiply
    53,514.45x = 73,849.76 × 30,853.32
  4. Step 4: Simplify right side
    53,514.45x = 2,278,509,961.70
  5. Step 5: Solve for x
    x = 2,278,509,961.70/53,514.45
  6. Step 6: Final answer
    x = 42,577.47

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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.