Home / 31,946.10-44,085.51-18,520.08

Finding the Fourth Proportional to 31,946.10, 44,085.51 and 18,520.08

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Solution

The fourth proportional to 31,946.10, 44,085.51 and 18,520.08 is: 25,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946.10 : 44,085.51 = 18,520.08 : x
  2. Step 2: Convert to fraction form
    31,946.10/44,085.51 = 18,520.08/x
  3. Step 3: Cross multiply
    31,946.10x = 44,085.51 × 18,520.08
  4. Step 4: Simplify right side
    31,946.10x = 816,467,172.04
  5. Step 5: Solve for x
    x = 816,467,172.04/31,946.10
  6. Step 6: Final answer
    x = 25,557.65

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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.