Home / 64,724.02-97,090.21-20,352.49

Finding the Fourth Proportional to 64,724.02, 97,090.21 and 20,352.49

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Solution

The fourth proportional to 64,724.02, 97,090.21 and 20,352.49 is: 30,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,724.02 : 97,090.21 = 20,352.49 : x
  2. Step 2: Convert to fraction form
    64,724.02/97,090.21 = 20,352.49/x
  3. Step 3: Cross multiply
    64,724.02x = 97,090.21 × 20,352.49
  4. Step 4: Simplify right side
    64,724.02x = 1,976,027,310.84
  5. Step 5: Solve for x
    x = 1,976,027,310.84/64,724.02
  6. Step 6: Final answer
    x = 30,530.05

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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.