Home / 45,590.05-68,378.23-14,421.25

Finding the Fourth Proportional to 45,590.05, 68,378.23 and 14,421.25

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Solution

The fourth proportional to 45,590.05, 68,378.23 and 14,421.25 is: 21,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,590.05 : 68,378.23 = 14,421.25 : x
  2. Step 2: Convert to fraction form
    45,590.05/68,378.23 = 14,421.25/x
  3. Step 3: Cross multiply
    45,590.05x = 68,378.23 × 14,421.25
  4. Step 4: Simplify right side
    45,590.05x = 986,099,549.39
  5. Step 5: Solve for x
    x = 986,099,549.39/45,590.05
  6. Step 6: Final answer
    x = 21,629.71

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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.