Home / 39,011.58-58,506.20-12,718.62

Finding the Fourth Proportional to 39,011.58, 58,506.20 and 12,718.62

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Solution

The fourth proportional to 39,011.58, 58,506.20 and 12,718.62 is: 19,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011.58 : 58,506.20 = 12,718.62 : x
  2. Step 2: Convert to fraction form
    39,011.58/58,506.20 = 12,718.62/x
  3. Step 3: Cross multiply
    39,011.58x = 58,506.20 × 12,718.62
  4. Step 4: Simplify right side
    39,011.58x = 744,118,125.44
  5. Step 5: Solve for x
    x = 744,118,125.44/39,011.58
  6. Step 6: Final answer
    x = 19,074.29

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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.