Home / 56,627.54-78,146.51-30,786.14

Finding the Fourth Proportional to 56,627.54, 78,146.51 and 30,786.14

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Solution

The fourth proportional to 56,627.54, 78,146.51 and 30,786.14 is: 42,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,627.54 : 78,146.51 = 30,786.14 : x
  2. Step 2: Convert to fraction form
    56,627.54/78,146.51 = 30,786.14/x
  3. Step 3: Cross multiply
    56,627.54x = 78,146.51 × 30,786.14
  4. Step 4: Simplify right side
    56,627.54x = 2,405,829,407.73
  5. Step 5: Solve for x
    x = 2,405,829,407.73/56,627.54
  6. Step 6: Final answer
    x = 42,485.15

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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.