Home / 38,214.22-52,736.16-20,988.01

Finding the Fourth Proportional to 38,214.22, 52,736.16 and 20,988.01

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Solution

The fourth proportional to 38,214.22, 52,736.16 and 20,988.01 is: 28,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,214.22 : 52,736.16 = 20,988.01 : x
  2. Step 2: Convert to fraction form
    38,214.22/52,736.16 = 20,988.01/x
  3. Step 3: Cross multiply
    38,214.22x = 52,736.16 × 20,988.01
  4. Step 4: Simplify right side
    38,214.22x = 1,106,827,053.44
  5. Step 5: Solve for x
    x = 1,106,827,053.44/38,214.22
  6. Step 6: Final answer
    x = 28,963.75

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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.