Home / 37,610.48-56,420.56-12,639.76

Finding the Fourth Proportional to 37,610.48, 56,420.56 and 12,639.76

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Solution

The fourth proportional to 37,610.48, 56,420.56 and 12,639.76 is: 18,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,610.48 : 56,420.56 = 12,639.76 : x
  2. Step 2: Convert to fraction form
    37,610.48/56,420.56 = 12,639.76/x
  3. Step 3: Cross multiply
    37,610.48x = 56,420.56 × 12,639.76
  4. Step 4: Simplify right side
    37,610.48x = 713,142,337.47
  5. Step 5: Solve for x
    x = 713,142,337.47/37,610.48
  6. Step 6: Final answer
    x = 18,961.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.