Home / 53,633.52-73,988.52-39,270.72

Finding the Fourth Proportional to 53,633.52, 73,988.52 and 39,270.72

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Solution

The fourth proportional to 53,633.52, 73,988.52 and 39,270.72 is: 54,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,633.52 : 73,988.52 = 39,270.72 : x
  2. Step 2: Convert to fraction form
    53,633.52/73,988.52 = 39,270.72/x
  3. Step 3: Cross multiply
    53,633.52x = 73,988.52 × 39,270.72
  4. Step 4: Simplify right side
    53,633.52x = 2,905,582,452.13
  5. Step 5: Solve for x
    x = 2,905,582,452.13/53,633.52
  6. Step 6: Final answer
    x = 54,174.75

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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.