Home / 53,251.08-73,486.08-29,378.76

Finding the Fourth Proportional to 53,251.08, 73,486.08 and 29,378.76

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Solution

The fourth proportional to 53,251.08, 73,486.08 and 29,378.76 is: 40,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,251.08 : 73,486.08 = 29,378.76 : x
  2. Step 2: Convert to fraction form
    53,251.08/73,486.08 = 29,378.76/x
  3. Step 3: Cross multiply
    53,251.08x = 73,486.08 × 29,378.76
  4. Step 4: Simplify right side
    53,251.08x = 2,158,929,907.66
  5. Step 5: Solve for x
    x = 2,158,929,907.66/53,251.08
  6. Step 6: Final answer
    x = 40,542.46

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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.