Home / 39,916.58-59,875.42-19,135.22

Finding the Fourth Proportional to 39,916.58, 59,875.42 and 19,135.22

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Solution

The fourth proportional to 39,916.58, 59,875.42 and 19,135.22 is: 28,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.58 : 59,875.42 = 19,135.22 : x
  2. Step 2: Convert to fraction form
    39,916.58/59,875.42 = 19,135.22/x
  3. Step 3: Cross multiply
    39,916.58x = 59,875.42 × 19,135.22
  4. Step 4: Simplify right side
    39,916.58x = 1,145,729,334.29
  5. Step 5: Solve for x
    x = 1,145,729,334.29/39,916.58
  6. Step 6: Final answer
    x = 28,703.09

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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.