Home / 64,955.09-97,435.38-20,580.86

Finding the Fourth Proportional to 64,955.09, 97,435.38 and 20,580.86

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Solution

The fourth proportional to 64,955.09, 97,435.38 and 20,580.86 is: 30,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,955.09 : 97,435.38 = 20,580.86 : x
  2. Step 2: Convert to fraction form
    64,955.09/97,435.38 = 20,580.86/x
  3. Step 3: Cross multiply
    64,955.09x = 97,435.38 × 20,580.86
  4. Step 4: Simplify right side
    64,955.09x = 2,005,303,914.83
  5. Step 5: Solve for x
    x = 2,005,303,914.83/64,955.09
  6. Step 6: Final answer
    x = 30,872.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.