Home / 37,985.94-56,986.47-11,689.68

Finding the Fourth Proportional to 37,985.94, 56,986.47 and 11,689.68

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Solution

The fourth proportional to 37,985.94, 56,986.47 and 11,689.68 is: 17,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,985.94 : 56,986.47 = 11,689.68 : x
  2. Step 2: Convert to fraction form
    37,985.94/56,986.47 = 11,689.68/x
  3. Step 3: Cross multiply
    37,985.94x = 56,986.47 × 11,689.68
  4. Step 4: Simplify right side
    37,985.94x = 666,153,598.63
  5. Step 5: Solve for x
    x = 666,153,598.63/37,985.94
  6. Step 6: Final answer
    x = 17,536.85

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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.