Home / 42,449.19-63,670.09-14,368.62

Finding the Fourth Proportional to 42,449.19, 63,670.09 and 14,368.62

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Solution

The fourth proportional to 42,449.19, 63,670.09 and 14,368.62 is: 21,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,449.19 : 63,670.09 = 14,368.62 : x
  2. Step 2: Convert to fraction form
    42,449.19/63,670.09 = 14,368.62/x
  3. Step 3: Cross multiply
    42,449.19x = 63,670.09 × 14,368.62
  4. Step 4: Simplify right side
    42,449.19x = 914,851,328.58
  5. Step 5: Solve for x
    x = 914,851,328.58/42,449.19
  6. Step 6: Final answer
    x = 21,551.68

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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.