Home / 37,079.14-51,170.49-20,312.14

Finding the Fourth Proportional to 37,079.14, 51,170.49 and 20,312.14

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Solution

The fourth proportional to 37,079.14, 51,170.49 and 20,312.14 is: 28,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,079.14 : 51,170.49 = 20,312.14 : x
  2. Step 2: Convert to fraction form
    37,079.14/51,170.49 = 20,312.14/x
  3. Step 3: Cross multiply
    37,079.14x = 51,170.49 × 20,312.14
  4. Step 4: Simplify right side
    37,079.14x = 1,039,382,156.75
  5. Step 5: Solve for x
    x = 1,039,382,156.75/37,079.14
  6. Step 6: Final answer
    x = 28,031.45

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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.