Home / 64,719.58-97,079.29-20,350.21

Finding the Fourth Proportional to 64,719.58, 97,079.29 and 20,350.21

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Solution

The fourth proportional to 64,719.58, 97,079.29 and 20,350.21 is: 30,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,719.58 : 97,079.29 = 20,350.21 : x
  2. Step 2: Convert to fraction form
    64,719.58/97,079.29 = 20,350.21/x
  3. Step 3: Cross multiply
    64,719.58x = 97,079.29 × 20,350.21
  4. Step 4: Simplify right side
    64,719.58x = 1,975,583,938.15
  5. Step 5: Solve for x
    x = 1,975,583,938.15/64,719.58
  6. Step 6: Final answer
    x = 30,525.29

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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.