Home / 38,615.01-53,282.54-21,619.97

Finding the Fourth Proportional to 38,615.01, 53,282.54 and 21,619.97

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Solution

The fourth proportional to 38,615.01, 53,282.54 and 21,619.97 is: 29,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,615.01 : 53,282.54 = 21,619.97 : x
  2. Step 2: Convert to fraction form
    38,615.01/53,282.54 = 21,619.97/x
  3. Step 3: Cross multiply
    38,615.01x = 53,282.54 × 21,619.97
  4. Step 4: Simplify right side
    38,615.01x = 1,151,966,541.81
  5. Step 5: Solve for x
    x = 1,151,966,541.81/38,615.01
  6. Step 6: Final answer
    x = 29,832.09

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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.