Home / 38,535.68-53,176.32-21,770.24

Finding the Fourth Proportional to 38,535.68, 53,176.32 and 21,770.24

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Solution

The fourth proportional to 38,535.68, 53,176.32 and 21,770.24 is: 30,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.68 : 53,176.32 = 21,770.24 : x
  2. Step 2: Convert to fraction form
    38,535.68/53,176.32 = 21,770.24/x
  3. Step 3: Cross multiply
    38,535.68x = 53,176.32 × 21,770.24
  4. Step 4: Simplify right side
    38,535.68x = 1,157,661,248.72
  5. Step 5: Solve for x
    x = 1,157,661,248.72/38,535.68
  6. Step 6: Final answer
    x = 30,041.28

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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.