Home / 39,202.84-58,782.12-12,900.52

Finding the Fourth Proportional to 39,202.84, 58,782.12 and 12,900.52

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Solution

The fourth proportional to 39,202.84, 58,782.12 and 12,900.52 is: 19,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.84 : 58,782.12 = 12,900.52 : x
  2. Step 2: Convert to fraction form
    39,202.84/58,782.12 = 12,900.52/x
  3. Step 3: Cross multiply
    39,202.84x = 58,782.12 × 12,900.52
  4. Step 4: Simplify right side
    39,202.84x = 758,319,914.70
  5. Step 5: Solve for x
    x = 758,319,914.70/39,202.84
  6. Step 6: Final answer
    x = 19,343.49

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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.