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Finding the Fourth Proportional to 56,600.60, 78,084.60 and 35,342.96

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Solution

The fourth proportional to 56,600.60, 78,084.60 and 35,342.96 is: 48,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,600.60 : 78,084.60 = 35,342.96 : x
  2. Step 2: Convert to fraction form
    56,600.60/78,084.60 = 35,342.96/x
  3. Step 3: Cross multiply
    56,600.60x = 78,084.60 × 35,342.96
  4. Step 4: Simplify right side
    56,600.60x = 2,759,740,894.42
  5. Step 5: Solve for x
    x = 2,759,740,894.42/56,600.60
  6. Step 6: Final answer
    x = 48,758.16

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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.