Home / 37,081.16-51,159.30-20,946.57

Finding the Fourth Proportional to 37,081.16, 51,159.30 and 20,946.57

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Solution

The fourth proportional to 37,081.16, 51,159.30 and 20,946.57 is: 28,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.16 : 51,159.30 = 20,946.57 : x
  2. Step 2: Convert to fraction form
    37,081.16/51,159.30 = 20,946.57/x
  3. Step 3: Cross multiply
    37,081.16x = 51,159.30 × 20,946.57
  4. Step 4: Simplify right side
    37,081.16x = 1,071,611,588.20
  5. Step 5: Solve for x
    x = 1,071,611,588.20/37,081.16
  6. Step 6: Final answer
    x = 28,899.09

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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.