Home / 33,988.47-46,885.68-20,564.07

Finding the Fourth Proportional to 33,988.47, 46,885.68 and 20,564.07

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Solution

The fourth proportional to 33,988.47, 46,885.68 and 20,564.07 is: 28,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,988.47 : 46,885.68 = 20,564.07 : x
  2. Step 2: Convert to fraction form
    33,988.47/46,885.68 = 20,564.07/x
  3. Step 3: Cross multiply
    33,988.47x = 46,885.68 × 20,564.07
  4. Step 4: Simplify right side
    33,988.47x = 964,160,405.52
  5. Step 5: Solve for x
    x = 964,160,405.52/33,988.47
  6. Step 6: Final answer
    x = 28,367.28

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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.