Home / 37,048.63-51,127.11-20,281.63

Finding the Fourth Proportional to 37,048.63, 51,127.11 and 20,281.63

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Solution

The fourth proportional to 37,048.63, 51,127.11 and 20,281.63 is: 27,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,048.63 : 51,127.11 = 20,281.63 : x
  2. Step 2: Convert to fraction form
    37,048.63/51,127.11 = 20,281.63/x
  3. Step 3: Cross multiply
    37,048.63x = 51,127.11 × 20,281.63
  4. Step 4: Simplify right side
    37,048.63x = 1,036,940,770.95
  5. Step 5: Solve for x
    x = 1,036,940,770.95/37,048.63
  6. Step 6: Final answer
    x = 27,988.64

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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.