Home / 37,143.08-51,257.46-20,376.20

Finding the Fourth Proportional to 37,143.08, 51,257.46 and 20,376.20

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Solution

The fourth proportional to 37,143.08, 51,257.46 and 20,376.20 is: 28,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.08 : 51,257.46 = 20,376.20 : x
  2. Step 2: Convert to fraction form
    37,143.08/51,257.46 = 20,376.20/x
  3. Step 3: Cross multiply
    37,143.08x = 51,257.46 × 20,376.20
  4. Step 4: Simplify right side
    37,143.08x = 1,044,432,256.45
  5. Step 5: Solve for x
    x = 1,044,432,256.45/37,143.08
  6. Step 6: Final answer
    x = 28,119.16

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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.