Home / 42,664.10-63,996.63-13,082.18

Finding the Fourth Proportional to 42,664.10, 63,996.63 and 13,082.18

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Solution

The fourth proportional to 42,664.10, 63,996.63 and 13,082.18 is: 19,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664.10 : 63,996.63 = 13,082.18 : x
  2. Step 2: Convert to fraction form
    42,664.10/63,996.63 = 13,082.18/x
  3. Step 3: Cross multiply
    42,664.10x = 63,996.63 × 13,082.18
  4. Step 4: Simplify right side
    42,664.10x = 837,215,433.05
  5. Step 5: Solve for x
    x = 837,215,433.05/42,664.10
  6. Step 6: Final answer
    x = 19,623.42

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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.