Home / 47,028.78-70,555.32-17,455.05

Finding the Fourth Proportional to 47,028.78, 70,555.32 and 17,455.05

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Solution

The fourth proportional to 47,028.78, 70,555.32 and 17,455.05 is: 26,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.78 : 70,555.32 = 17,455.05 : x
  2. Step 2: Convert to fraction form
    47,028.78/70,555.32 = 17,455.05/x
  3. Step 3: Cross multiply
    47,028.78x = 70,555.32 × 17,455.05
  4. Step 4: Simplify right side
    47,028.78x = 1,231,546,638.37
  5. Step 5: Solve for x
    x = 1,231,546,638.37/47,028.78
  6. Step 6: Final answer
    x = 26,187.08

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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.