Home / 39,076.04-58,623.28-12,780.68

Finding the Fourth Proportional to 39,076.04, 58,623.28 and 12,780.68

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Solution

The fourth proportional to 39,076.04, 58,623.28 and 12,780.68 is: 19,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,076.04 : 58,623.28 = 12,780.68 : x
  2. Step 2: Convert to fraction form
    39,076.04/58,623.28 = 12,780.68/x
  3. Step 3: Cross multiply
    39,076.04x = 58,623.28 × 12,780.68
  4. Step 4: Simplify right side
    39,076.04x = 749,245,382.23
  5. Step 5: Solve for x
    x = 749,245,382.23/39,076.04
  6. Step 6: Final answer
    x = 19,174.04

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1.5x scale

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.