Home / 64,938.21-97,406.25-20,564.89

Finding the Fourth Proportional to 64,938.21, 97,406.25 and 20,564.89

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Solution

The fourth proportional to 64,938.21, 97,406.25 and 20,564.89 is: 30,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,938.21 : 97,406.25 = 20,564.89 : x
  2. Step 2: Convert to fraction form
    64,938.21/97,406.25 = 20,564.89/x
  3. Step 3: Cross multiply
    64,938.21x = 97,406.25 × 20,564.89
  4. Step 4: Simplify right side
    64,938.21x = 2,003,148,495.93
  5. Step 5: Solve for x
    x = 2,003,148,495.93/64,938.21
  6. Step 6: Final answer
    x = 30,846.99

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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.