Home / 37,699.02-56,548.67-12,739.28

Finding the Fourth Proportional to 37,699.02, 56,548.67 and 12,739.28

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Solution

The fourth proportional to 37,699.02, 56,548.67 and 12,739.28 is: 19,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,699.02 : 56,548.67 = 12,739.28 : x
  2. Step 2: Convert to fraction form
    37,699.02/56,548.67 = 12,739.28/x
  3. Step 3: Cross multiply
    37,699.02x = 56,548.67 × 12,739.28
  4. Step 4: Simplify right side
    37,699.02x = 720,388,994.32
  5. Step 5: Solve for x
    x = 720,388,994.32/37,699.02
  6. Step 6: Final answer
    x = 19,108.96

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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.