Home / 39,355.94-59,018.24-14,390.30

Finding the Fourth Proportional to 39,355.94, 59,018.24 and 14,390.30

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Solution

The fourth proportional to 39,355.94, 59,018.24 and 14,390.30 is: 21,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355.94 : 59,018.24 = 14,390.30 : x
  2. Step 2: Convert to fraction form
    39,355.94/59,018.24 = 14,390.30/x
  3. Step 3: Cross multiply
    39,355.94x = 59,018.24 × 14,390.30
  4. Step 4: Simplify right side
    39,355.94x = 849,289,919.96
  5. Step 5: Solve for x
    x = 849,289,919.96/39,355.94
  6. Step 6: Final answer
    x = 21,579.72

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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.