Home / 64,715.02-97,072.58-20,345.64

Finding the Fourth Proportional to 64,715.02, 97,072.58 and 20,345.64

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Solution

The fourth proportional to 64,715.02, 97,072.58 and 20,345.64 is: 30,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,715.02 : 97,072.58 = 20,345.64 : x
  2. Step 2: Convert to fraction form
    64,715.02/97,072.58 = 20,345.64/x
  3. Step 3: Cross multiply
    64,715.02x = 97,072.58 × 20,345.64
  4. Step 4: Simplify right side
    64,715.02x = 1,975,003,766.55
  5. Step 5: Solve for x
    x = 1,975,003,766.55/64,715.02
  6. Step 6: Final answer
    x = 30,518.48

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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.