Home / 37,114.75-51,218.36-20,347.39

Finding the Fourth Proportional to 37,114.75, 51,218.36 and 20,347.39

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Solution

The fourth proportional to 37,114.75, 51,218.36 and 20,347.39 is: 28,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,114.75 : 51,218.36 = 20,347.39 : x
  2. Step 2: Convert to fraction form
    37,114.75/51,218.36 = 20,347.39/x
  3. Step 3: Cross multiply
    37,114.75x = 51,218.36 × 20,347.39
  4. Step 4: Simplify right side
    37,114.75x = 1,042,159,946.08
  5. Step 5: Solve for x
    x = 1,042,159,946.08/37,114.75
  6. Step 6: Final answer
    x = 28,079.40

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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.