Home / 64,708.58-97,063.42-20,334.36

Finding the Fourth Proportional to 64,708.58, 97,063.42 and 20,334.36

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Solution

The fourth proportional to 64,708.58, 97,063.42 and 20,334.36 is: 30,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,708.58 : 97,063.42 = 20,334.36 : x
  2. Step 2: Convert to fraction form
    64,708.58/97,063.42 = 20,334.36/x
  3. Step 3: Cross multiply
    64,708.58x = 97,063.42 × 20,334.36
  4. Step 4: Simplify right side
    64,708.58x = 1,973,722,525.11
  5. Step 5: Solve for x
    x = 1,973,722,525.11/64,708.58
  6. Step 6: Final answer
    x = 30,501.71

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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.