Home / 46,029.52-69,131.81-28,621

Finding the Fourth Proportional to 46,029.52, 69,131.81 and 28,621

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Solution

The fourth proportional to 46,029.52, 69,131.81 and 28,621 is: 42,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,029.52 : 69,131.81 = 28,621 : x
  2. Step 2: Convert to fraction form
    46,029.52/69,131.81 = 28,621/x
  3. Step 3: Cross multiply
    46,029.52x = 69,131.81 × 28,621
  4. Step 4: Simplify right side
    46,029.52x = 1,978,621,534.01
  5. Step 5: Solve for x
    x = 1,978,621,534.01/46,029.52
  6. Step 6: Final answer
    x = 42,985.93

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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.