Home / 56,189.63-77,469.32-40,075.31

Finding the Fourth Proportional to 56,189.63, 77,469.32 and 40,075.31

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Solution

The fourth proportional to 56,189.63, 77,469.32 and 40,075.31 is: 55,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,189.63 : 77,469.32 = 40,075.31 : x
  2. Step 2: Convert to fraction form
    56,189.63/77,469.32 = 40,075.31/x
  3. Step 3: Cross multiply
    56,189.63x = 77,469.32 × 40,075.31
  4. Step 4: Simplify right side
    56,189.63x = 3,104,607,014.49
  5. Step 5: Solve for x
    x = 3,104,607,014.49/56,189.63
  6. Step 6: Final answer
    x = 55,252.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.