Home / 53,895.72-74,373.12-30,021.96

Finding the Fourth Proportional to 53,895.72, 74,373.12 and 30,021.96

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Solution

The fourth proportional to 53,895.72, 74,373.12 and 30,021.96 is: 41,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.72 : 74,373.12 = 30,021.96 : x
  2. Step 2: Convert to fraction form
    53,895.72/74,373.12 = 30,021.96/x
  3. Step 3: Cross multiply
    53,895.72x = 74,373.12 × 30,021.96
  4. Step 4: Simplify right side
    53,895.72x = 2,232,826,833.72
  5. Step 5: Solve for x
    x = 2,232,826,833.72/53,895.72
  6. Step 6: Final answer
    x = 41,428.65

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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.