Home / 37,153.32-51,273.06-20,386.92

Finding the Fourth Proportional to 37,153.32, 51,273.06 and 20,386.92

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Solution

The fourth proportional to 37,153.32, 51,273.06 and 20,386.92 is: 28,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153.32 : 51,273.06 = 20,386.92 : x
  2. Step 2: Convert to fraction form
    37,153.32/51,273.06 = 20,386.92/x
  3. Step 3: Cross multiply
    37,153.32x = 51,273.06 × 20,386.92
  4. Step 4: Simplify right side
    37,153.32x = 1,045,299,772.38
  5. Step 5: Solve for x
    x = 1,045,299,772.38/37,153.32
  6. Step 6: Final answer
    x = 28,134.76

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Double scale
Find fourth proportional to 37,154.32, 51,274.44 and 20,387.92
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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.