Home / 39,450.90-59,154.45-13,141.29

Finding the Fourth Proportional to 39,450.90, 59,154.45 and 13,141.29

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Solution

The fourth proportional to 39,450.90, 59,154.45 and 13,141.29 is: 19,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.90 : 59,154.45 = 13,141.29 : x
  2. Step 2: Convert to fraction form
    39,450.90/59,154.45 = 13,141.29/x
  3. Step 3: Cross multiply
    39,450.90x = 59,154.45 × 13,141.29
  4. Step 4: Simplify right side
    39,450.90x = 777,365,782.24
  5. Step 5: Solve for x
    x = 777,365,782.24/39,450.90
  6. Step 6: Final answer
    x = 19,704.64

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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.