Home / 37,610.10-51,901.50-20,615.28

Finding the Fourth Proportional to 37,610.10, 51,901.50 and 20,615.28

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Solution

The fourth proportional to 37,610.10, 51,901.50 and 20,615.28 is: 28,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,610.10 : 51,901.50 = 20,615.28 : x
  2. Step 2: Convert to fraction form
    37,610.10/51,901.50 = 20,615.28/x
  3. Step 3: Cross multiply
    37,610.10x = 51,901.50 × 20,615.28
  4. Step 4: Simplify right side
    37,610.10x = 1,069,963,954.92
  5. Step 5: Solve for x
    x = 1,069,963,954.92/37,610.10
  6. Step 6: Final answer
    x = 28,448.85

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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.