Home / 31,040.48-46,550.64-13,505.12

Finding the Fourth Proportional to 31,040.48, 46,550.64 and 13,505.12

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Solution

The fourth proportional to 31,040.48, 46,550.64 and 13,505.12 is: 20,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.48 : 46,550.64 = 13,505.12 : x
  2. Step 2: Convert to fraction form
    31,040.48/46,550.64 = 13,505.12/x
  3. Step 3: Cross multiply
    31,040.48x = 46,550.64 × 13,505.12
  4. Step 4: Simplify right side
    31,040.48x = 628,671,979.28
  5. Step 5: Solve for x
    x = 628,671,979.28/31,040.48
  6. Step 6: Final answer
    x = 20,253.29

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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.