Home / 31,088.04-46,622.32-13,540.20

Finding the Fourth Proportional to 31,088.04, 46,622.32 and 13,540.20

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Solution

The fourth proportional to 31,088.04, 46,622.32 and 13,540.20 is: 20,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,088.04 : 46,622.32 = 13,540.20 : x
  2. Step 2: Convert to fraction form
    31,088.04/46,622.32 = 13,540.20/x
  3. Step 3: Cross multiply
    31,088.04x = 46,622.32 × 13,540.20
  4. Step 4: Simplify right side
    31,088.04x = 631,275,537.26
  5. Step 5: Solve for x
    x = 631,275,537.26/31,088.04
  6. Step 6: Final answer
    x = 20,306.06

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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.