Home / 39,450.61-59,179.01-13,155.37

Finding the Fourth Proportional to 39,450.61, 59,179.01 and 13,155.37

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Solution

The fourth proportional to 39,450.61, 59,179.01 and 13,155.37 is: 19,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.61 : 59,179.01 = 13,155.37 : x
  2. Step 2: Convert to fraction form
    39,450.61/59,179.01 = 13,155.37/x
  3. Step 3: Cross multiply
    39,450.61x = 59,179.01 × 13,155.37
  4. Step 4: Simplify right side
    39,450.61x = 778,521,707.01
  5. Step 5: Solve for x
    x = 778,521,707.01/39,450.61
  6. Step 6: Final answer
    x = 19,734.09

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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.