Home / 38,748.48-53,123.52-38,048.64

Finding the Fourth Proportional to 38,748.48, 53,123.52 and 38,048.64

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Solution

The fourth proportional to 38,748.48, 53,123.52 and 38,048.64 is: 52,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748.48 : 53,123.52 = 38,048.64 : x
  2. Step 2: Convert to fraction form
    38,748.48/53,123.52 = 38,048.64/x
  3. Step 3: Cross multiply
    38,748.48x = 53,123.52 × 38,048.64
  4. Step 4: Simplify right side
    38,748.48x = 2,021,277,688.01
  5. Step 5: Solve for x
    x = 2,021,277,688.01/38,748.48
  6. Step 6: Final answer
    x = 52,164.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.