Home / 38,957.45-58,450.74-20,225.79

Finding the Fourth Proportional to 38,957.45, 58,450.74 and 20,225.79

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Solution

The fourth proportional to 38,957.45, 58,450.74 and 20,225.79 is: 30,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957.45 : 58,450.74 = 20,225.79 : x
  2. Step 2: Convert to fraction form
    38,957.45/58,450.74 = 20,225.79/x
  3. Step 3: Cross multiply
    38,957.45x = 58,450.74 × 20,225.79
  4. Step 4: Simplify right side
    38,957.45x = 1,182,212,392.58
  5. Step 5: Solve for x
    x = 1,182,212,392.58/38,957.45
  6. Step 6: Final answer
    x = 30,346.25

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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.