Home / 45,175.36-62,393.16-30,810.64

Finding the Fourth Proportional to 45,175.36, 62,393.16 and 30,810.64

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Solution

The fourth proportional to 45,175.36, 62,393.16 and 30,810.64 is: 42,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,175.36 : 62,393.16 = 30,810.64 : x
  2. Step 2: Convert to fraction form
    45,175.36/62,393.16 = 30,810.64/x
  3. Step 3: Cross multiply
    45,175.36x = 62,393.16 × 30,810.64
  4. Step 4: Simplify right side
    45,175.36x = 1,922,373,191.22
  5. Step 5: Solve for x
    x = 1,922,373,191.22/45,175.36
  6. Step 6: Final answer
    x = 42,553.58

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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.