Home / 37,048.12-51,127.86-20,281.12

Finding the Fourth Proportional to 37,048.12, 51,127.86 and 20,281.12

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Solution

The fourth proportional to 37,048.12, 51,127.86 and 20,281.12 is: 27,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,048.12 : 51,127.86 = 20,281.12 : x
  2. Step 2: Convert to fraction form
    37,048.12/51,127.86 = 20,281.12/x
  3. Step 3: Cross multiply
    37,048.12x = 51,127.86 × 20,281.12
  4. Step 4: Simplify right side
    37,048.12x = 1,036,930,264.00
  5. Step 5: Solve for x
    x = 1,036,930,264.00/37,048.12
  6. Step 6: Final answer
    x = 27,988.74

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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.