Home / 38,528.64-53,168.47-21,532.97

Finding the Fourth Proportional to 38,528.64, 53,168.47 and 21,532.97

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Solution

The fourth proportional to 38,528.64, 53,168.47 and 21,532.97 is: 29,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528.64 : 53,168.47 = 21,532.97 : x
  2. Step 2: Convert to fraction form
    38,528.64/53,168.47 = 21,532.97/x
  3. Step 3: Cross multiply
    38,528.64x = 53,168.47 × 21,532.97
  4. Step 4: Simplify right side
    38,528.64x = 1,144,875,148.54
  5. Step 5: Solve for x
    x = 1,144,875,148.54/38,528.64
  6. Step 6: Final answer
    x = 29,714.91

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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.