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Finding the Fourth Proportional to 35,451.95, 48,921.48 and 19,536.40

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Solution

The fourth proportional to 35,451.95, 48,921.48 and 19,536.40 is: 26,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.95 : 48,921.48 = 19,536.40 : x
  2. Step 2: Convert to fraction form
    35,451.95/48,921.48 = 19,536.40/x
  3. Step 3: Cross multiply
    35,451.95x = 48,921.48 × 19,536.40
  4. Step 4: Simplify right side
    35,451.95x = 955,749,759.29
  5. Step 5: Solve for x
    x = 955,749,759.29/35,451.95
  6. Step 6: Final answer
    x = 26,959.02

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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.