Home / 35,346.77-48,779.38-19,431.55

Finding the Fourth Proportional to 35,346.77, 48,779.38 and 19,431.55

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Solution

The fourth proportional to 35,346.77, 48,779.38 and 19,431.55 is: 26,816.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.77 : 48,779.38 = 19,431.55 : x
  2. Step 2: Convert to fraction form
    35,346.77/48,779.38 = 19,431.55/x
  3. Step 3: Cross multiply
    35,346.77x = 48,779.38 × 19,431.55
  4. Step 4: Simplify right side
    35,346.77x = 947,858,961.44
  5. Step 5: Solve for x
    x = 947,858,961.44/35,346.77
  6. Step 6: Final answer
    x = 26,816.00

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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.