Home / 39,056.80-58,579.26-12,761.50

Finding the Fourth Proportional to 39,056.80, 58,579.26 and 12,761.50

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Solution

The fourth proportional to 39,056.80, 58,579.26 and 12,761.50 is: 19,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,056.80 : 58,579.26 = 12,761.50 : x
  2. Step 2: Convert to fraction form
    39,056.80/58,579.26 = 12,761.50/x
  3. Step 3: Cross multiply
    39,056.80x = 58,579.26 × 12,761.50
  4. Step 4: Simplify right side
    39,056.80x = 747,559,226.49
  5. Step 5: Solve for x
    x = 747,559,226.49/39,056.80
  6. Step 6: Final answer
    x = 19,140.31

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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.