Home / 36,986.16-51,040.80-21,070.64

Finding the Fourth Proportional to 36,986.16, 51,040.80 and 21,070.64

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Solution

The fourth proportional to 36,986.16, 51,040.80 and 21,070.64 is: 29,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.16 : 51,040.80 = 21,070.64 : x
  2. Step 2: Convert to fraction form
    36,986.16/51,040.80 = 21,070.64/x
  3. Step 3: Cross multiply
    36,986.16x = 51,040.80 × 21,070.64
  4. Step 4: Simplify right side
    36,986.16x = 1,075,462,322.11
  5. Step 5: Solve for x
    x = 1,075,462,322.11/36,986.16
  6. Step 6: Final answer
    x = 29,077.43

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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.