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Finding the Fourth Proportional to 35,398.50, 48,849.34 and 19,482.63

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Solution

The fourth proportional to 35,398.50, 48,849.34 and 19,482.63 is: 26,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.50 : 48,849.34 = 19,482.63 : x
  2. Step 2: Convert to fraction form
    35,398.50/48,849.34 = 19,482.63/x
  3. Step 3: Cross multiply
    35,398.50x = 48,849.34 × 19,482.63
  4. Step 4: Simplify right side
    35,398.50x = 951,713,616.96
  5. Step 5: Solve for x
    x = 951,713,616.96/35,398.50
  6. Step 6: Final answer
    x = 26,885.70

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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.