Home / 39,361.55-59,043.74-9,779.54

Finding the Fourth Proportional to 39,361.55, 59,043.74 and 9,779.54

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Solution

The fourth proportional to 39,361.55, 59,043.74 and 9,779.54 is: 14,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,361.55 : 59,043.74 = 9,779.54 : x
  2. Step 2: Convert to fraction form
    39,361.55/59,043.74 = 9,779.54/x
  3. Step 3: Cross multiply
    39,361.55x = 59,043.74 × 9,779.54
  4. Step 4: Simplify right side
    39,361.55x = 577,420,272.96
  5. Step 5: Solve for x
    x = 577,420,272.96/39,361.55
  6. Step 6: Final answer
    x = 14,669.65

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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.