Home / 56,608.62-78,120.27-35,400.30

Finding the Fourth Proportional to 56,608.62, 78,120.27 and 35,400.30

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Solution

The fourth proportional to 56,608.62, 78,120.27 and 35,400.30 is: 48,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,608.62 : 78,120.27 = 35,400.30 : x
  2. Step 2: Convert to fraction form
    56,608.62/78,120.27 = 35,400.30/x
  3. Step 3: Cross multiply
    56,608.62x = 78,120.27 × 35,400.30
  4. Step 4: Simplify right side
    56,608.62x = 2,765,480,994.08
  5. Step 5: Solve for x
    x = 2,765,480,994.08/56,608.62
  6. Step 6: Final answer
    x = 48,852.65

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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.