Home / 42,763.53-64,145.30-19,064.96

Finding the Fourth Proportional to 42,763.53, 64,145.30 and 19,064.96

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Solution

The fourth proportional to 42,763.53, 64,145.30 and 19,064.96 is: 28,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,763.53 : 64,145.30 = 19,064.96 : x
  2. Step 2: Convert to fraction form
    42,763.53/64,145.30 = 19,064.96/x
  3. Step 3: Cross multiply
    42,763.53x = 64,145.30 × 19,064.96
  4. Step 4: Simplify right side
    42,763.53x = 1,222,927,578.69
  5. Step 5: Solve for x
    x = 1,222,927,578.69/42,763.53
  6. Step 6: Final answer
    x = 28,597.44

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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.