Home / 39,005.64-58,494.60-12,705.48

Finding the Fourth Proportional to 39,005.64, 58,494.60 and 12,705.48

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Solution

The fourth proportional to 39,005.64, 58,494.60 and 12,705.48 is: 19,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,005.64 : 58,494.60 = 12,705.48 : x
  2. Step 2: Convert to fraction form
    39,005.64/58,494.60 = 12,705.48/x
  3. Step 3: Cross multiply
    39,005.64x = 58,494.60 × 12,705.48
  4. Step 4: Simplify right side
    39,005.64x = 743,201,970.41
  5. Step 5: Solve for x
    x = 743,201,970.41/39,005.64
  6. Step 6: Final answer
    x = 19,053.71

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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.