Home / 42,434.58-63,651.15-14,348.64

Finding the Fourth Proportional to 42,434.58, 63,651.15 and 14,348.64

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Solution

The fourth proportional to 42,434.58, 63,651.15 and 14,348.64 is: 21,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,434.58 : 63,651.15 = 14,348.64 : x
  2. Step 2: Convert to fraction form
    42,434.58/63,651.15 = 14,348.64/x
  3. Step 3: Cross multiply
    42,434.58x = 63,651.15 × 14,348.64
  4. Step 4: Simplify right side
    42,434.58x = 913,307,436.94
  5. Step 5: Solve for x
    x = 913,307,436.94/42,434.58
  6. Step 6: Final answer
    x = 21,522.72

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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.