Home / 64,986.48-97,482.94-20,609.13

Finding the Fourth Proportional to 64,986.48, 97,482.94 and 20,609.13

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Solution

The fourth proportional to 64,986.48, 97,482.94 and 20,609.13 is: 30,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,986.48 : 97,482.94 = 20,609.13 : x
  2. Step 2: Convert to fraction form
    64,986.48/97,482.94 = 20,609.13/x
  3. Step 3: Cross multiply
    64,986.48x = 97,482.94 × 20,609.13
  4. Step 4: Simplify right side
    64,986.48x = 2,009,039,013.21
  5. Step 5: Solve for x
    x = 2,009,039,013.21/64,986.48
  6. Step 6: Final answer
    x = 30,914.72

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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.