Home / 38,074.47-52,541.64-21,078.15

Finding the Fourth Proportional to 38,074.47, 52,541.64 and 21,078.15

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Solution

The fourth proportional to 38,074.47, 52,541.64 and 21,078.15 is: 29,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.47 : 52,541.64 = 21,078.15 : x
  2. Step 2: Convert to fraction form
    38,074.47/52,541.64 = 21,078.15/x
  3. Step 3: Cross multiply
    38,074.47x = 52,541.64 × 21,078.15
  4. Step 4: Simplify right side
    38,074.47x = 1,107,480,569.17
  5. Step 5: Solve for x
    x = 1,107,480,569.17/38,074.47
  6. Step 6: Final answer
    x = 29,087.22

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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.