Home / 53,832.98-74,272.79-30,545.59

Finding the Fourth Proportional to 53,832.98, 74,272.79 and 30,545.59

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Solution

The fourth proportional to 53,832.98, 74,272.79 and 30,545.59 is: 42,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,832.98 : 74,272.79 = 30,545.59 : x
  2. Step 2: Convert to fraction form
    53,832.98/74,272.79 = 30,545.59/x
  3. Step 3: Cross multiply
    53,832.98x = 74,272.79 × 30,545.59
  4. Step 4: Simplify right side
    53,832.98x = 2,268,705,820.13
  5. Step 5: Solve for x
    x = 2,268,705,820.13/53,832.98
  6. Step 6: Final answer
    x = 42,143.42

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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.