Home / 35,401.09-48,853.13-19,485.20

Finding the Fourth Proportional to 35,401.09, 48,853.13 and 19,485.20

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Solution

The fourth proportional to 35,401.09, 48,853.13 and 19,485.20 is: 26,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,401.09 : 48,853.13 = 19,485.20 : x
  2. Step 2: Convert to fraction form
    35,401.09/48,853.13 = 19,485.20/x
  3. Step 3: Cross multiply
    35,401.09x = 48,853.13 × 19,485.20
  4. Step 4: Simplify right side
    35,401.09x = 951,912,666.98
  5. Step 5: Solve for x
    x = 951,912,666.98/35,401.09
  6. Step 6: Final answer
    x = 26,889.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.