Home / 64,707.48-97,065.41-20,336.09

Finding the Fourth Proportional to 64,707.48, 97,065.41 and 20,336.09

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Solution

The fourth proportional to 64,707.48, 97,065.41 and 20,336.09 is: 30,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,707.48 : 97,065.41 = 20,336.09 : x
  2. Step 2: Convert to fraction form
    64,707.48/97,065.41 = 20,336.09/x
  3. Step 3: Cross multiply
    64,707.48x = 97,065.41 × 20,336.09
  4. Step 4: Simplify right side
    64,707.48x = 1,973,930,913.65
  5. Step 5: Solve for x
    x = 1,973,930,913.65/64,707.48
  6. Step 6: Final answer
    x = 30,505.45

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1.5x scale

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.