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Finding the Fourth Proportional to 57,688, 79,618.08 and 35,344.96

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Solution

The fourth proportional to 57,688, 79,618.08 and 35,344.96 is: 48,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,688 : 79,618.08 = 35,344.96 : x
  2. Step 2: Convert to fraction form
    57,688/79,618.08 = 35,344.96/x
  3. Step 3: Cross multiply
    57,688x = 79,618.08 × 35,344.96
  4. Step 4: Simplify right side
    57,688x = 2,814,097,852.88
  5. Step 5: Solve for x
    x = 2,814,097,852.88/57,688
  6. Step 6: Final answer
    x = 48,781.34

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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.