Home / 64,995.12-97,507.23-20,623.32

Finding the Fourth Proportional to 64,995.12, 97,507.23 and 20,623.32

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Solution

The fourth proportional to 64,995.12, 97,507.23 and 20,623.32 is: 30,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,995.12 : 97,507.23 = 20,623.32 : x
  2. Step 2: Convert to fraction form
    64,995.12/97,507.23 = 20,623.32/x
  3. Step 3: Cross multiply
    64,995.12x = 97,507.23 × 20,623.32
  4. Step 4: Simplify right side
    64,995.12x = 2,010,922,806.60
  5. Step 5: Solve for x
    x = 2,010,922,806.60/64,995.12
  6. Step 6: Final answer
    x = 30,939.60

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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.