Home / 31,145.19-46,725.23-10,085.26

Finding the Fourth Proportional to 31,145.19, 46,725.23 and 10,085.26

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Solution

The fourth proportional to 31,145.19, 46,725.23 and 10,085.26 is: 15,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,145.19 : 46,725.23 = 10,085.26 : x
  2. Step 2: Convert to fraction form
    31,145.19/46,725.23 = 10,085.26/x
  3. Step 3: Cross multiply
    31,145.19x = 46,725.23 × 10,085.26
  4. Step 4: Simplify right side
    31,145.19x = 471,235,809.06
  5. Step 5: Solve for x
    x = 471,235,809.06/31,145.19
  6. Step 6: Final answer
    x = 15,130.29

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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.