Home / 34,287.39-47,322.77-20,141.01

Finding the Fourth Proportional to 34,287.39, 47,322.77 and 20,141.01

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Solution

The fourth proportional to 34,287.39, 47,322.77 and 20,141.01 is: 27,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,287.39 : 47,322.77 = 20,141.01 : x
  2. Step 2: Convert to fraction form
    34,287.39/47,322.77 = 20,141.01/x
  3. Step 3: Cross multiply
    34,287.39x = 47,322.77 × 20,141.01
  4. Step 4: Simplify right side
    34,287.39x = 953,128,283.09
  5. Step 5: Solve for x
    x = 953,128,283.09/34,287.39
  6. Step 6: Final answer
    x = 27,798.22

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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.