Home / 37,829.60-56,722.80-11,530.40

Finding the Fourth Proportional to 37,829.60, 56,722.80 and 11,530.40

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Solution

The fourth proportional to 37,829.60, 56,722.80 and 11,530.40 is: 17,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,829.60 : 56,722.80 = 11,530.40 : x
  2. Step 2: Convert to fraction form
    37,829.60/56,722.80 = 11,530.40/x
  3. Step 3: Cross multiply
    37,829.60x = 56,722.80 × 11,530.40
  4. Step 4: Simplify right side
    37,829.60x = 654,036,573.12
  5. Step 5: Solve for x
    x = 654,036,573.12/37,829.60
  6. Step 6: Final answer
    x = 17,289.02

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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.