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Finding the Fourth Proportional to 35,293.60, 48,706.92 and 19,377.92

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Solution

The fourth proportional to 35,293.60, 48,706.92 and 19,377.92 is: 26,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,293.60 : 48,706.92 = 19,377.92 : x
  2. Step 2: Convert to fraction form
    35,293.60/48,706.92 = 19,377.92/x
  3. Step 3: Cross multiply
    35,293.60x = 48,706.92 × 19,377.92
  4. Step 4: Simplify right side
    35,293.60x = 943,838,799.21
  5. Step 5: Solve for x
    x = 943,838,799.21/35,293.60
  6. Step 6: Final answer
    x = 26,742.49

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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.