Home / 38,722.28-58,055.10-12,412.04

Finding the Fourth Proportional to 38,722.28, 58,055.10 and 12,412.04

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Solution

The fourth proportional to 38,722.28, 58,055.10 and 12,412.04 is: 18,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,722.28 : 58,055.10 = 12,412.04 : x
  2. Step 2: Convert to fraction form
    38,722.28/58,055.10 = 12,412.04/x
  3. Step 3: Cross multiply
    38,722.28x = 58,055.10 × 12,412.04
  4. Step 4: Simplify right side
    38,722.28x = 720,582,223.40
  5. Step 5: Solve for x
    x = 720,582,223.40/38,722.28
  6. Step 6: Final answer
    x = 18,608.98

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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.