Home / 39,145.74-58,706.30-12,844.32

Finding the Fourth Proportional to 39,145.74, 58,706.30 and 12,844.32

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Solution

The fourth proportional to 39,145.74, 58,706.30 and 12,844.32 is: 19,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.74 : 58,706.30 = 12,844.32 : x
  2. Step 2: Convert to fraction form
    39,145.74/58,706.30 = 12,844.32/x
  3. Step 3: Cross multiply
    39,145.74x = 58,706.30 × 12,844.32
  4. Step 4: Simplify right side
    39,145.74x = 754,042,503.22
  5. Step 5: Solve for x
    x = 754,042,503.22/39,145.74
  6. Step 6: Final answer
    x = 19,262.44

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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.