Home / 39,026.59-53,851.24-21,799.15

Finding the Fourth Proportional to 39,026.59, 53,851.24 and 21,799.15

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Solution

The fourth proportional to 39,026.59, 53,851.24 and 21,799.15 is: 30,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026.59 : 53,851.24 = 21,799.15 : x
  2. Step 2: Convert to fraction form
    39,026.59/53,851.24 = 21,799.15/x
  3. Step 3: Cross multiply
    39,026.59x = 53,851.24 × 21,799.15
  4. Step 4: Simplify right side
    39,026.59x = 1,173,911,258.45
  5. Step 5: Solve for x
    x = 1,173,911,258.45/39,026.59
  6. Step 6: Final answer
    x = 30,079.78

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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.