Home / 39,762.17-59,653.06-19,781.15

Finding the Fourth Proportional to 39,762.17, 59,653.06 and 19,781.15

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Solution

The fourth proportional to 39,762.17, 59,653.06 and 19,781.15 is: 29,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.17 : 59,653.06 = 19,781.15 : x
  2. Step 2: Convert to fraction form
    39,762.17/59,653.06 = 19,781.15/x
  3. Step 3: Cross multiply
    39,762.17x = 59,653.06 × 19,781.15
  4. Step 4: Simplify right side
    39,762.17x = 1,180,005,780.10
  5. Step 5: Solve for x
    x = 1,180,005,780.10/39,762.17
  6. Step 6: Final answer
    x = 29,676.60

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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.