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Finding the Fourth Proportional to 35,459.54, 48,936.35 and 19,543.95

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Solution

The fourth proportional to 35,459.54, 48,936.35 and 19,543.95 is: 26,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.54 : 48,936.35 = 19,543.95 : x
  2. Step 2: Convert to fraction form
    35,459.54/48,936.35 = 19,543.95/x
  3. Step 3: Cross multiply
    35,459.54x = 48,936.35 × 19,543.95
  4. Step 4: Simplify right side
    35,459.54x = 956,409,626.44
  5. Step 5: Solve for x
    x = 956,409,626.44/35,459.54
  6. Step 6: Final answer
    x = 26,971.86

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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.