Home / 30,085.13-41,528.38-17,509.88

Finding the Fourth Proportional to 30,085.13, 41,528.38 and 17,509.88

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Solution

The fourth proportional to 30,085.13, 41,528.38 and 17,509.88 is: 24,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.13 : 41,528.38 = 17,509.88 : x
  2. Step 2: Convert to fraction form
    30,085.13/41,528.38 = 17,509.88/x
  3. Step 3: Cross multiply
    30,085.13x = 41,528.38 × 17,509.88
  4. Step 4: Simplify right side
    30,085.13x = 727,156,950.39
  5. Step 5: Solve for x
    x = 727,156,950.39/30,085.13
  6. Step 6: Final answer
    x = 24,169.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.