Home / 38,890.80-58,330.44-12,597.84

Finding the Fourth Proportional to 38,890.80, 58,330.44 and 12,597.84

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Solution

The fourth proportional to 38,890.80, 58,330.44 and 12,597.84 is: 18,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.80 : 58,330.44 = 12,597.84 : x
  2. Step 2: Convert to fraction form
    38,890.80/58,330.44 = 12,597.84/x
  3. Step 3: Cross multiply
    38,890.80x = 58,330.44 × 12,597.84
  4. Step 4: Simplify right side
    38,890.80x = 734,837,550.25
  5. Step 5: Solve for x
    x = 734,837,550.25/38,890.80
  6. Step 6: Final answer
    x = 18,894.89

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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.