Home / 31,980.04-44,131.86-17,835.40

Finding the Fourth Proportional to 31,980.04, 44,131.86 and 17,835.40

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Solution

The fourth proportional to 31,980.04, 44,131.86 and 17,835.40 is: 24,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.04 : 44,131.86 = 17,835.40 : x
  2. Step 2: Convert to fraction form
    31,980.04/44,131.86 = 17,835.40/x
  3. Step 3: Cross multiply
    31,980.04x = 44,131.86 × 17,835.40
  4. Step 4: Simplify right side
    31,980.04x = 787,109,375.84
  5. Step 5: Solve for x
    x = 787,109,375.84/31,980.04
  6. Step 6: Final answer
    x = 24,612.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.