Home / 31,048.88-46,547.19-13,505.49

Finding the Fourth Proportional to 31,048.88, 46,547.19 and 13,505.49

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Solution

The fourth proportional to 31,048.88, 46,547.19 and 13,505.49 is: 20,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.88 : 46,547.19 = 13,505.49 : x
  2. Step 2: Convert to fraction form
    31,048.88/46,547.19 = 13,505.49/x
  3. Step 3: Cross multiply
    31,048.88x = 46,547.19 × 13,505.49
  4. Step 4: Simplify right side
    31,048.88x = 628,642,609.07
  5. Step 5: Solve for x
    x = 628,642,609.07/31,048.88
  6. Step 6: Final answer
    x = 20,246.87

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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.