Home / 39,077.65-58,621.94-12,784.46

Finding the Fourth Proportional to 39,077.65, 58,621.94 and 12,784.46

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Solution

The fourth proportional to 39,077.65, 58,621.94 and 12,784.46 is: 19,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.65 : 58,621.94 = 12,784.46 : x
  2. Step 2: Convert to fraction form
    39,077.65/58,621.94 = 12,784.46/x
  3. Step 3: Cross multiply
    39,077.65x = 58,621.94 × 12,784.46
  4. Step 4: Simplify right side
    39,077.65x = 749,449,783.13
  5. Step 5: Solve for x
    x = 749,449,783.13/39,077.65
  6. Step 6: Final answer
    x = 19,178.48

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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.