Home / 42,733.08-64,106.91-13,150.26

Finding the Fourth Proportional to 42,733.08, 64,106.91 and 13,150.26

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Solution

The fourth proportional to 42,733.08, 64,106.91 and 13,150.26 is: 19,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,733.08 : 64,106.91 = 13,150.26 : x
  2. Step 2: Convert to fraction form
    42,733.08/64,106.91 = 13,150.26/x
  3. Step 3: Cross multiply
    42,733.08x = 64,106.91 × 13,150.26
  4. Step 4: Simplify right side
    42,733.08x = 843,022,534.30
  5. Step 5: Solve for x
    x = 843,022,534.30/42,733.08
  6. Step 6: Final answer
    x = 19,727.63

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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.