Home / 42,317.84-63,480.96-15,670.94

Finding the Fourth Proportional to 42,317.84, 63,480.96 and 15,670.94

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Solution

The fourth proportional to 42,317.84, 63,480.96 and 15,670.94 is: 23,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,317.84 : 63,480.96 = 15,670.94 : x
  2. Step 2: Convert to fraction form
    42,317.84/63,480.96 = 15,670.94/x
  3. Step 3: Cross multiply
    42,317.84x = 63,480.96 × 15,670.94
  4. Step 4: Simplify right side
    42,317.84x = 994,806,315.30
  5. Step 5: Solve for x
    x = 994,806,315.30/42,317.84
  6. Step 6: Final answer
    x = 23,507.97

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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.