Home / 31,009.40-46,514.10-18,567.80

Finding the Fourth Proportional to 31,009.40, 46,514.10 and 18,567.80

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Solution

The fourth proportional to 31,009.40, 46,514.10 and 18,567.80 is: 27,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009.40 : 46,514.10 = 18,567.80 : x
  2. Step 2: Convert to fraction form
    31,009.40/46,514.10 = 18,567.80/x
  3. Step 3: Cross multiply
    31,009.40x = 46,514.10 × 18,567.80
  4. Step 4: Simplify right side
    31,009.40x = 863,664,505.98
  5. Step 5: Solve for x
    x = 863,664,505.98/31,009.40
  6. Step 6: Final answer
    x = 27,851.70

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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.