Home / 39,419.42-59,129.13-14,450.03

Finding the Fourth Proportional to 39,419.42, 59,129.13 and 14,450.03

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Solution

The fourth proportional to 39,419.42, 59,129.13 and 14,450.03 is: 21,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.42 : 59,129.13 = 14,450.03 : x
  2. Step 2: Convert to fraction form
    39,419.42/59,129.13 = 14,450.03/x
  3. Step 3: Cross multiply
    39,419.42x = 59,129.13 × 14,450.03
  4. Step 4: Simplify right side
    39,419.42x = 854,417,921.94
  5. Step 5: Solve for x
    x = 854,417,921.94/39,419.42
  6. Step 6: Final answer
    x = 21,675.05

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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.