Home / 42,329.24-63,477.75-13,859.56

Finding the Fourth Proportional to 42,329.24, 63,477.75 and 13,859.56

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Solution

The fourth proportional to 42,329.24, 63,477.75 and 13,859.56 is: 20,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,329.24 : 63,477.75 = 13,859.56 : x
  2. Step 2: Convert to fraction form
    42,329.24/63,477.75 = 13,859.56/x
  3. Step 3: Cross multiply
    42,329.24x = 63,477.75 × 13,859.56
  4. Step 4: Simplify right side
    42,329.24x = 879,773,367.40
  5. Step 5: Solve for x
    x = 879,773,367.40/42,329.24
  6. Step 6: Final answer
    x = 20,784.06

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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.