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Finding the Fourth Proportional to 62,310.84, 85,985.96 and 35,450.84

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Solution

The fourth proportional to 62,310.84, 85,985.96 and 35,450.84 is: 48,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,310.84 : 85,985.96 = 35,450.84 : x
  2. Step 2: Convert to fraction form
    62,310.84/85,985.96 = 35,450.84/x
  3. Step 3: Cross multiply
    62,310.84x = 85,985.96 × 35,450.84
  4. Step 4: Simplify right side
    62,310.84x = 3,048,274,510.21
  5. Step 5: Solve for x
    x = 3,048,274,510.21/62,310.84
  6. Step 6: Final answer
    x = 48,920.45

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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.