Home / 40,668.15-61,000.43-11,085.99

Finding the Fourth Proportional to 40,668.15, 61,000.43 and 11,085.99

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Solution

The fourth proportional to 40,668.15, 61,000.43 and 11,085.99 is: 16,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,668.15 : 61,000.43 = 11,085.99 : x
  2. Step 2: Convert to fraction form
    40,668.15/61,000.43 = 11,085.99/x
  3. Step 3: Cross multiply
    40,668.15x = 61,000.43 × 11,085.99
  4. Step 4: Simplify right side
    40,668.15x = 676,250,101.55
  5. Step 5: Solve for x
    x = 676,250,101.55/40,668.15
  6. Step 6: Final answer
    x = 16,628.49

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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.