Home / 39,088.79-58,620.15-12,787.41

Finding the Fourth Proportional to 39,088.79, 58,620.15 and 12,787.41

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Solution

The fourth proportional to 39,088.79, 58,620.15 and 12,787.41 is: 19,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.79 : 58,620.15 = 12,787.41 : x
  2. Step 2: Convert to fraction form
    39,088.79/58,620.15 = 12,787.41/x
  3. Step 3: Cross multiply
    39,088.79x = 58,620.15 × 12,787.41
  4. Step 4: Simplify right side
    39,088.79x = 749,599,892.31
  5. Step 5: Solve for x
    x = 749,599,892.31/39,088.79
  6. Step 6: Final answer
    x = 19,176.85

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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.