Home / 53,360.62-73,640.49-30,703.05

Finding the Fourth Proportional to 53,360.62, 73,640.49 and 30,703.05

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Solution

The fourth proportional to 53,360.62, 73,640.49 and 30,703.05 is: 42,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.62 : 73,640.49 = 30,703.05 : x
  2. Step 2: Convert to fraction form
    53,360.62/73,640.49 = 30,703.05/x
  3. Step 3: Cross multiply
    53,360.62x = 73,640.49 × 30,703.05
  4. Step 4: Simplify right side
    53,360.62x = 2,260,987,509.77
  5. Step 5: Solve for x
    x = 2,260,987,509.77/53,360.62
  6. Step 6: Final answer
    x = 42,371.84

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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.