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Finding the Fourth Proportional to 62,189.85, 85,838.76 and 35,333.49

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Solution

The fourth proportional to 62,189.85, 85,838.76 and 35,333.49 is: 48,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,189.85 : 85,838.76 = 35,333.49 : x
  2. Step 2: Convert to fraction form
    62,189.85/85,838.76 = 35,333.49/x
  3. Step 3: Cross multiply
    62,189.85x = 85,838.76 × 35,333.49
  4. Step 4: Simplify right side
    62,189.85x = 3,032,982,968.07
  5. Step 5: Solve for x
    x = 3,032,982,968.07/62,189.85
  6. Step 6: Final answer
    x = 48,769.74

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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.