Home / 31,173.03-46,774.13-18,036.45

Finding the Fourth Proportional to 31,173.03, 46,774.13 and 18,036.45

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Solution

The fourth proportional to 31,173.03, 46,774.13 and 18,036.45 is: 27,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,173.03 : 46,774.13 = 18,036.45 : x
  2. Step 2: Convert to fraction form
    31,173.03/46,774.13 = 18,036.45/x
  3. Step 3: Cross multiply
    31,173.03x = 46,774.13 × 18,036.45
  4. Step 4: Simplify right side
    31,173.03x = 843,639,166.86
  5. Step 5: Solve for x
    x = 843,639,166.86/31,173.03
  6. Step 6: Final answer
    x = 27,063.11

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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.