Home / 38,835.69-53,592.74-21,839.93

Finding the Fourth Proportional to 38,835.69, 53,592.74 and 21,839.93

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Solution

The fourth proportional to 38,835.69, 53,592.74 and 21,839.93 is: 30,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.69 : 53,592.74 = 21,839.93 : x
  2. Step 2: Convert to fraction form
    38,835.69/53,592.74 = 21,839.93/x
  3. Step 3: Cross multiply
    38,835.69x = 53,592.74 × 21,839.93
  4. Step 4: Simplify right side
    38,835.69x = 1,170,461,819.15
  5. Step 5: Solve for x
    x = 1,170,461,819.15/38,835.69
  6. Step 6: Final answer
    x = 30,138.82

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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.