Home / 42,878.37-64,321.74-14,794.68

Finding the Fourth Proportional to 42,878.37, 64,321.74 and 14,794.68

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Solution

The fourth proportional to 42,878.37, 64,321.74 and 14,794.68 is: 22,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,878.37 : 64,321.74 = 14,794.68 : x
  2. Step 2: Convert to fraction form
    42,878.37/64,321.74 = 14,794.68/x
  3. Step 3: Cross multiply
    42,878.37x = 64,321.74 × 14,794.68
  4. Step 4: Simplify right side
    42,878.37x = 951,619,560.34
  5. Step 5: Solve for x
    x = 951,619,560.34/42,878.37
  6. Step 6: Final answer
    x = 22,193.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.