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Finding the Fourth Proportional to 35,449.92, 48,920.88 and 19,534.32

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Solution

The fourth proportional to 35,449.92, 48,920.88 and 19,534.32 is: 26,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.92 : 48,920.88 = 19,534.32 : x
  2. Step 2: Convert to fraction form
    35,449.92/48,920.88 = 19,534.32/x
  3. Step 3: Cross multiply
    35,449.92x = 48,920.88 × 19,534.32
  4. Step 4: Simplify right side
    35,449.92x = 955,636,124.60
  5. Step 5: Solve for x
    x = 955,636,124.60/35,449.92
  6. Step 6: Final answer
    x = 26,957.36

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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.