Home / 37,703.03-56,531.31-12,740.72

Finding the Fourth Proportional to 37,703.03, 56,531.31 and 12,740.72

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Solution

The fourth proportional to 37,703.03, 56,531.31 and 12,740.72 is: 19,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,703.03 : 56,531.31 = 12,740.72 : x
  2. Step 2: Convert to fraction form
    37,703.03/56,531.31 = 12,740.72/x
  3. Step 3: Cross multiply
    37,703.03x = 56,531.31 × 12,740.72
  4. Step 4: Simplify right side
    37,703.03x = 720,249,309.29
  5. Step 5: Solve for x
    x = 720,249,309.29/37,703.03
  6. Step 6: Final answer
    x = 19,103.22

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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.