Home / 64,849.40-97,274.10-18,102.20

Finding the Fourth Proportional to 64,849.40, 97,274.10 and 18,102.20

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Solution

The fourth proportional to 64,849.40, 97,274.10 and 18,102.20 is: 27,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,849.40 : 97,274.10 = 18,102.20 : x
  2. Step 2: Convert to fraction form
    64,849.40/97,274.10 = 18,102.20/x
  3. Step 3: Cross multiply
    64,849.40x = 97,274.10 × 18,102.20
  4. Step 4: Simplify right side
    64,849.40x = 1,760,875,213.02
  5. Step 5: Solve for x
    x = 1,760,875,213.02/64,849.40
  6. Step 6: Final answer
    x = 27,153.30

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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.