Home / 64,715.34-97,072.92-20,345.96

Finding the Fourth Proportional to 64,715.34, 97,072.92 and 20,345.96

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Solution

The fourth proportional to 64,715.34, 97,072.92 and 20,345.96 is: 30,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,715.34 : 97,072.92 = 20,345.96 : x
  2. Step 2: Convert to fraction form
    64,715.34/97,072.92 = 20,345.96/x
  3. Step 3: Cross multiply
    64,715.34x = 97,072.92 × 20,345.96
  4. Step 4: Simplify right side
    64,715.34x = 1,975,041,747.40
  5. Step 5: Solve for x
    x = 1,975,041,747.40/64,715.34
  6. Step 6: Final answer
    x = 30,518.91

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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.