Home / 38,688.49-58,023.50-19,958.89

Finding the Fourth Proportional to 38,688.49, 58,023.50 and 19,958.89

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Solution

The fourth proportional to 38,688.49, 58,023.50 and 19,958.89 is: 29,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.49 : 58,023.50 = 19,958.89 : x
  2. Step 2: Convert to fraction form
    38,688.49/58,023.50 = 19,958.89/x
  3. Step 3: Cross multiply
    38,688.49x = 58,023.50 × 19,958.89
  4. Step 4: Simplify right side
    38,688.49x = 1,158,084,653.92
  5. Step 5: Solve for x
    x = 1,158,084,653.92/38,688.49
  6. Step 6: Final answer
    x = 29,933.57

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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.