Home / 47,721.14-71,590.93-18,136.67

Finding the Fourth Proportional to 47,721.14, 71,590.93 and 18,136.67

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Solution

The fourth proportional to 47,721.14, 71,590.93 and 18,136.67 is: 27,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.14 : 71,590.93 = 18,136.67 : x
  2. Step 2: Convert to fraction form
    47,721.14/71,590.93 = 18,136.67/x
  3. Step 3: Cross multiply
    47,721.14x = 71,590.93 × 18,136.67
  4. Step 4: Simplify right side
    47,721.14x = 1,298,420,722.63
  5. Step 5: Solve for x
    x = 1,298,420,722.63/47,721.14
  6. Step 6: Final answer
    x = 27,208.50

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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.