Home / 51,629.34-71,249.13-28,973.19

Finding the Fourth Proportional to 51,629.34, 71,249.13 and 28,973.19

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Solution

The fourth proportional to 51,629.34, 71,249.13 and 28,973.19 is: 39,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,629.34 : 71,249.13 = 28,973.19 : x
  2. Step 2: Convert to fraction form
    51,629.34/71,249.13 = 28,973.19/x
  3. Step 3: Cross multiply
    51,629.34x = 71,249.13 × 28,973.19
  4. Step 4: Simplify right side
    51,629.34x = 2,064,314,580.82
  5. Step 5: Solve for x
    x = 2,064,314,580.82/51,629.34
  6. Step 6: Final answer
    x = 39,983.36

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1.5x scale

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.