Home / 31,355.16-46,995.66-13,788.24

Finding the Fourth Proportional to 31,355.16, 46,995.66 and 13,788.24

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Solution

The fourth proportional to 31,355.16, 46,995.66 and 13,788.24 is: 20,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.16 : 46,995.66 = 13,788.24 : x
  2. Step 2: Convert to fraction form
    31,355.16/46,995.66 = 13,788.24/x
  3. Step 3: Cross multiply
    31,355.16x = 46,995.66 × 13,788.24
  4. Step 4: Simplify right side
    31,355.16x = 647,987,439.04
  5. Step 5: Solve for x
    x = 647,987,439.04/31,355.16
  6. Step 6: Final answer
    x = 20,666.05

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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.