Home / 63,678.36-87,887.34-36,816.60

Finding the Fourth Proportional to 63,678.36, 87,887.34 and 36,816.60

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Solution

The fourth proportional to 63,678.36, 87,887.34 and 36,816.60 is: 50,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,678.36 : 87,887.34 = 36,816.60 : x
  2. Step 2: Convert to fraction form
    63,678.36/87,887.34 = 36,816.60/x
  3. Step 3: Cross multiply
    63,678.36x = 87,887.34 × 36,816.60
  4. Step 4: Simplify right side
    63,678.36x = 3,235,713,041.84
  5. Step 5: Solve for x
    x = 3,235,713,041.84/63,678.36
  6. Step 6: Final answer
    x = 50,813.39

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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.