Home / 39,855.06-59,782.59-12,152.82

Finding the Fourth Proportional to 39,855.06, 59,782.59 and 12,152.82

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Solution

The fourth proportional to 39,855.06, 59,782.59 and 12,152.82 is: 18,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,855.06 : 59,782.59 = 12,152.82 : x
  2. Step 2: Convert to fraction form
    39,855.06/59,782.59 = 12,152.82/x
  3. Step 3: Cross multiply
    39,855.06x = 59,782.59 × 12,152.82
  4. Step 4: Simplify right side
    39,855.06x = 726,527,055.40
  5. Step 5: Solve for x
    x = 726,527,055.40/39,855.06
  6. Step 6: Final answer
    x = 18,229.23

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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.