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Finding the Fourth Proportional to 35,326.76, 48,750.96 and 19,412.15

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Solution

The fourth proportional to 35,326.76, 48,750.96 and 19,412.15 is: 26,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,326.76 : 48,750.96 = 19,412.15 : x
  2. Step 2: Convert to fraction form
    35,326.76/48,750.96 = 19,412.15/x
  3. Step 3: Cross multiply
    35,326.76x = 48,750.96 × 19,412.15
  4. Step 4: Simplify right side
    35,326.76x = 946,360,607.35
  5. Step 5: Solve for x
    x = 946,360,607.35/35,326.76
  6. Step 6: Final answer
    x = 26,788.78

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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.