Home / 31,221.16-43,085.96-17,075.08

Finding the Fourth Proportional to 31,221.16, 43,085.96 and 17,075.08

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Solution

The fourth proportional to 31,221.16, 43,085.96 and 17,075.08 is: 23,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.16 : 43,085.96 = 17,075.08 : x
  2. Step 2: Convert to fraction form
    31,221.16/43,085.96 = 17,075.08/x
  3. Step 3: Cross multiply
    31,221.16x = 43,085.96 × 17,075.08
  4. Step 4: Simplify right side
    31,221.16x = 735,696,213.88
  5. Step 5: Solve for x
    x = 735,696,213.88/31,221.16
  6. Step 6: Final answer
    x = 23,564.03

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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.