Home / 40,488.63-60,732.93-20,754.60

Finding the Fourth Proportional to 40,488.63, 60,732.93 and 20,754.60

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Solution

The fourth proportional to 40,488.63, 60,732.93 and 20,754.60 is: 31,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.63 : 60,732.93 = 20,754.60 : x
  2. Step 2: Convert to fraction form
    40,488.63/60,732.93 = 20,754.60/x
  3. Step 3: Cross multiply
    40,488.63x = 60,732.93 × 20,754.60
  4. Step 4: Simplify right side
    40,488.63x = 1,260,487,668.98
  5. Step 5: Solve for x
    x = 1,260,487,668.98/40,488.63
  6. Step 6: Final answer
    x = 31,131.89

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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.