Home / 38,595.69-53,272.07-21,838.41

Finding the Fourth Proportional to 38,595.69, 53,272.07 and 21,838.41

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Solution

The fourth proportional to 38,595.69, 53,272.07 and 21,838.41 is: 30,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,595.69 : 53,272.07 = 21,838.41 : x
  2. Step 2: Convert to fraction form
    38,595.69/53,272.07 = 21,838.41/x
  3. Step 3: Cross multiply
    38,595.69x = 53,272.07 × 21,838.41
  4. Step 4: Simplify right side
    38,595.69x = 1,163,377,197.02
  5. Step 5: Solve for x
    x = 1,163,377,197.02/38,595.69
  6. Step 6: Final answer
    x = 30,142.67

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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.