Home / 39,026.84-53,851.59-21,799.40

Finding the Fourth Proportional to 39,026.84, 53,851.59 and 21,799.40

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Solution

The fourth proportional to 39,026.84, 53,851.59 and 21,799.40 is: 30,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026.84 : 53,851.59 = 21,799.40 : x
  2. Step 2: Convert to fraction form
    39,026.84/53,851.59 = 21,799.40/x
  3. Step 3: Cross multiply
    39,026.84x = 53,851.59 × 21,799.40
  4. Step 4: Simplify right side
    39,026.84x = 1,173,932,081.79
  5. Step 5: Solve for x
    x = 1,173,932,081.79/39,026.84
  6. Step 6: Final answer
    x = 30,080.13

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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.