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Finding the Fourth Proportional to 62,333.60, 86,020.84 and 35,478.16

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Solution

The fourth proportional to 62,333.60, 86,020.84 and 35,478.16 is: 48,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,333.60 : 86,020.84 = 35,478.16 : x
  2. Step 2: Convert to fraction form
    62,333.60/86,020.84 = 35,478.16/x
  3. Step 3: Cross multiply
    62,333.60x = 86,020.84 × 35,478.16
  4. Step 4: Simplify right side
    62,333.60x = 3,051,861,124.85
  5. Step 5: Solve for x
    x = 3,051,861,124.85/62,333.60
  6. Step 6: Final answer
    x = 48,960.13

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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.