Home / 42,832.07-64,263.31-19,137.44

Finding the Fourth Proportional to 42,832.07, 64,263.31 and 19,137.44

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Solution

The fourth proportional to 42,832.07, 64,263.31 and 19,137.44 is: 28,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,832.07 : 64,263.31 = 19,137.44 : x
  2. Step 2: Convert to fraction form
    42,832.07/64,263.31 = 19,137.44/x
  3. Step 3: Cross multiply
    42,832.07x = 64,263.31 × 19,137.44
  4. Step 4: Simplify right side
    42,832.07x = 1,229,835,239.33
  5. Step 5: Solve for x
    x = 1,229,835,239.33/42,832.07
  6. Step 6: Final answer
    x = 28,712.95

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1.5x scale

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.