Home / 64,964.49-97,438.08-20,595.72

Finding the Fourth Proportional to 64,964.49, 97,438.08 and 20,595.72

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Solution

The fourth proportional to 64,964.49, 97,438.08 and 20,595.72 is: 30,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,964.49 : 97,438.08 = 20,595.72 : x
  2. Step 2: Convert to fraction form
    64,964.49/97,438.08 = 20,595.72/x
  3. Step 3: Cross multiply
    64,964.49x = 97,438.08 × 20,595.72
  4. Step 4: Simplify right side
    64,964.49x = 2,006,807,413.02
  5. Step 5: Solve for x
    x = 2,006,807,413.02/64,964.49
  6. Step 6: Final answer
    x = 30,890.84

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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.