Home / 37,340.64-56,012.40-9,639.36

Finding the Fourth Proportional to 37,340.64, 56,012.40 and 9,639.36

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Solution

The fourth proportional to 37,340.64, 56,012.40 and 9,639.36 is: 14,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,340.64 : 56,012.40 = 9,639.36 : x
  2. Step 2: Convert to fraction form
    37,340.64/56,012.40 = 9,639.36/x
  3. Step 3: Cross multiply
    37,340.64x = 56,012.40 × 9,639.36
  4. Step 4: Simplify right side
    37,340.64x = 539,923,688.06
  5. Step 5: Solve for x
    x = 539,923,688.06/37,340.64
  6. Step 6: Final answer
    x = 14,459.41

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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.