Home / 38,852.55-53,614.85-21,856.50

Finding the Fourth Proportional to 38,852.55, 53,614.85 and 21,856.50

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Solution

The fourth proportional to 38,852.55, 53,614.85 and 21,856.50 is: 30,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852.55 : 53,614.85 = 21,856.50 : x
  2. Step 2: Convert to fraction form
    38,852.55/53,614.85 = 21,856.50/x
  3. Step 3: Cross multiply
    38,852.55x = 53,614.85 × 21,856.50
  4. Step 4: Simplify right side
    38,852.55x = 1,171,832,859.74
  5. Step 5: Solve for x
    x = 1,171,832,859.74/38,852.55
  6. Step 6: Final answer
    x = 30,161.03

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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.