Home / 37,470.48-51,709.28-20,703.52

Finding the Fourth Proportional to 37,470.48, 51,709.28 and 20,703.52

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Solution

The fourth proportional to 37,470.48, 51,709.28 and 20,703.52 is: 28,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,470.48 : 51,709.28 = 20,703.52 : x
  2. Step 2: Convert to fraction form
    37,470.48/51,709.28 = 20,703.52/x
  3. Step 3: Cross multiply
    37,470.48x = 51,709.28 × 20,703.52
  4. Step 4: Simplify right side
    37,470.48x = 1,070,564,112.67
  5. Step 5: Solve for x
    x = 1,070,564,112.67/37,470.48
  6. Step 6: Final answer
    x = 28,570.87

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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.