Home / 38,954.12-58,412.46-20,215.24

Finding the Fourth Proportional to 38,954.12, 58,412.46 and 20,215.24

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Solution

The fourth proportional to 38,954.12, 58,412.46 and 20,215.24 is: 30,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,954.12 : 58,412.46 = 20,215.24 : x
  2. Step 2: Convert to fraction form
    38,954.12/58,412.46 = 20,215.24/x
  3. Step 3: Cross multiply
    38,954.12x = 58,412.46 × 20,215.24
  4. Step 4: Simplify right side
    38,954.12x = 1,180,821,897.89
  5. Step 5: Solve for x
    x = 1,180,821,897.89/38,954.12
  6. Step 6: Final answer
    x = 30,313.15

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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.