Home / 42,299.88-63,404.16-18,586.32

Finding the Fourth Proportional to 42,299.88, 63,404.16 and 18,586.32

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Solution

The fourth proportional to 42,299.88, 63,404.16 and 18,586.32 is: 27,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,299.88 : 63,404.16 = 18,586.32 : x
  2. Step 2: Convert to fraction form
    42,299.88/63,404.16 = 18,586.32/x
  3. Step 3: Cross multiply
    42,299.88x = 63,404.16 × 18,586.32
  4. Step 4: Simplify right side
    42,299.88x = 1,178,450,007.09
  5. Step 5: Solve for x
    x = 1,178,450,007.09/42,299.88
  6. Step 6: Final answer
    x = 27,859.42

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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.