Home / 53,245.05-73,478.17-29,371.78

Finding the Fourth Proportional to 53,245.05, 73,478.17 and 29,371.78

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Solution

The fourth proportional to 53,245.05, 73,478.17 and 29,371.78 is: 40,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245.05 : 73,478.17 = 29,371.78 : x
  2. Step 2: Convert to fraction form
    53,245.05/73,478.17 = 29,371.78/x
  3. Step 3: Cross multiply
    53,245.05x = 73,478.17 × 29,371.78
  4. Step 4: Simplify right side
    53,245.05x = 2,158,184,570.61
  5. Step 5: Solve for x
    x = 2,158,184,570.61/53,245.05
  6. Step 6: Final answer
    x = 40,533.06

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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.