Home / 38,959.28-58,448.10-12,664.04

Finding the Fourth Proportional to 38,959.28, 58,448.10 and 12,664.04

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Solution

The fourth proportional to 38,959.28, 58,448.10 and 12,664.04 is: 18,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,959.28 : 58,448.10 = 12,664.04 : x
  2. Step 2: Convert to fraction form
    38,959.28/58,448.10 = 12,664.04/x
  3. Step 3: Cross multiply
    38,959.28x = 58,448.10 × 12,664.04
  4. Step 4: Simplify right side
    38,959.28x = 740,189,076.32
  5. Step 5: Solve for x
    x = 740,189,076.32/38,959.28
  6. Step 6: Final answer
    x = 18,999.04

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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.