Home / 63,018.36-86,906.89-45,995.64

Finding the Fourth Proportional to 63,018.36, 86,906.89 and 45,995.64

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Solution

The fourth proportional to 63,018.36, 86,906.89 and 45,995.64 is: 63,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,018.36 : 86,906.89 = 45,995.64 : x
  2. Step 2: Convert to fraction form
    63,018.36/86,906.89 = 45,995.64/x
  3. Step 3: Cross multiply
    63,018.36x = 86,906.89 × 45,995.64
  4. Step 4: Simplify right side
    63,018.36x = 3,997,338,025.96
  5. Step 5: Solve for x
    x = 3,997,338,025.96/63,018.36
  6. Step 6: Final answer
    x = 63,431.32

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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.