Home / 64,720.08-97,080.04-20,350.71

Finding the Fourth Proportional to 64,720.08, 97,080.04 and 20,350.71

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Solution

The fourth proportional to 64,720.08, 97,080.04 and 20,350.71 is: 30,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,720.08 : 97,080.04 = 20,350.71 : x
  2. Step 2: Convert to fraction form
    64,720.08/97,080.04 = 20,350.71/x
  3. Step 3: Cross multiply
    64,720.08x = 97,080.04 × 20,350.71
  4. Step 4: Simplify right side
    64,720.08x = 1,975,647,740.83
  5. Step 5: Solve for x
    x = 1,975,647,740.83/64,720.08
  6. Step 6: Final answer
    x = 30,526.04

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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.