Home / 42,379.63-63,578.55-14,300.38

Finding the Fourth Proportional to 42,379.63, 63,578.55 and 14,300.38

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Solution

The fourth proportional to 42,379.63, 63,578.55 and 14,300.38 is: 21,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,379.63 : 63,578.55 = 14,300.38 : x
  2. Step 2: Convert to fraction form
    42,379.63/63,578.55 = 14,300.38/x
  3. Step 3: Cross multiply
    42,379.63x = 63,578.55 × 14,300.38
  4. Step 4: Simplify right side
    42,379.63x = 909,197,106.96
  5. Step 5: Solve for x
    x = 909,197,106.96/42,379.63
  6. Step 6: Final answer
    x = 21,453.64

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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.