Home / 38,561.36-57,802.64-21,886.16

Finding the Fourth Proportional to 38,561.36, 57,802.64 and 21,886.16

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Solution

The fourth proportional to 38,561.36, 57,802.64 and 21,886.16 is: 32,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.36 : 57,802.64 = 21,886.16 : x
  2. Step 2: Convert to fraction form
    38,561.36/57,802.64 = 21,886.16/x
  3. Step 3: Cross multiply
    38,561.36x = 57,802.64 × 21,886.16
  4. Step 4: Simplify right side
    38,561.36x = 1,265,077,827.46
  5. Step 5: Solve for x
    x = 1,265,077,827.46/38,561.36
  6. Step 6: Final answer
    x = 32,806.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.