Home / 30,689.04-46,034.10-10,981.74

Finding the Fourth Proportional to 30,689.04, 46,034.10 and 10,981.74

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Solution

The fourth proportional to 30,689.04, 46,034.10 and 10,981.74 is: 16,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,689.04 : 46,034.10 = 10,981.74 : x
  2. Step 2: Convert to fraction form
    30,689.04/46,034.10 = 10,981.74/x
  3. Step 3: Cross multiply
    30,689.04x = 46,034.10 × 10,981.74
  4. Step 4: Simplify right side
    30,689.04x = 505,534,517.33
  5. Step 5: Solve for x
    x = 505,534,517.33/30,689.04
  6. Step 6: Final answer
    x = 16,472.80

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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.