Home / 39,254.36-58,875.78-12,959.96

Finding the Fourth Proportional to 39,254.36, 58,875.78 and 12,959.96

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Solution

The fourth proportional to 39,254.36, 58,875.78 and 12,959.96 is: 19,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,254.36 : 58,875.78 = 12,959.96 : x
  2. Step 2: Convert to fraction form
    39,254.36/58,875.78 = 12,959.96/x
  3. Step 3: Cross multiply
    39,254.36x = 58,875.78 × 12,959.96
  4. Step 4: Simplify right side
    39,254.36x = 763,027,753.77
  5. Step 5: Solve for x
    x = 763,027,753.77/39,254.36
  6. Step 6: Final answer
    x = 19,438.04

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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.