Home / 42,448.74-63,629.30-14,359.56

Finding the Fourth Proportional to 42,448.74, 63,629.30 and 14,359.56

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Solution

The fourth proportional to 42,448.74, 63,629.30 and 14,359.56 is: 21,524.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.74 : 63,629.30 = 14,359.56 : x
  2. Step 2: Convert to fraction form
    42,448.74/63,629.30 = 14,359.56/x
  3. Step 3: Cross multiply
    42,448.74x = 63,629.30 × 14,359.56
  4. Step 4: Simplify right side
    42,448.74x = 913,688,751.11
  5. Step 5: Solve for x
    x = 913,688,751.11/42,448.74
  6. Step 6: Final answer
    x = 21,524.52

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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.