Home / 35,400.88-48,853.10-19,485.34

Finding the Fourth Proportional to 35,400.88, 48,853.10 and 19,485.34

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Solution

The fourth proportional to 35,400.88, 48,853.10 and 19,485.34 is: 26,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400.88 : 48,853.10 = 19,485.34 : x
  2. Step 2: Convert to fraction form
    35,400.88/48,853.10 = 19,485.34/x
  3. Step 3: Cross multiply
    35,400.88x = 48,853.10 × 19,485.34
  4. Step 4: Simplify right side
    35,400.88x = 951,919,263.55
  5. Step 5: Solve for x
    x = 951,919,263.55/35,400.88
  6. Step 6: Final answer
    x = 26,889.71

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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.