Home / 64,485.36-88,983-36,194.16

Finding the Fourth Proportional to 64,485.36, 88,983 and 36,194.16

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Solution

The fourth proportional to 64,485.36, 88,983 and 36,194.16 is: 49,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.36 : 88,983 = 36,194.16 : x
  2. Step 2: Convert to fraction form
    64,485.36/88,983 = 36,194.16/x
  3. Step 3: Cross multiply
    64,485.36x = 88,983 × 36,194.16
  4. Step 4: Simplify right side
    64,485.36x = 3,220,664,939.28
  5. Step 5: Solve for x
    x = 3,220,664,939.28/64,485.36
  6. Step 6: Final answer
    x = 49,944.13

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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.