Home / 31,325,250.06-43,236,791.28-21,406,149.63

Finding the Fourth Proportional to 31,325,250.06, 43,236,791.28 and 21,406,149.63

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Solution

The fourth proportional to 31,325,250.06, 43,236,791.28 and 21,406,149.63 is: 29,545,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325,250.06 : 43,236,791.28 = 21,406,149.63 : x
  2. Step 2: Convert to fraction form
    31,325,250.06/43,236,791.28 = 21,406,149.63/x
  3. Step 3: Cross multiply
    31,325,250.06x = 43,236,791.28 × 21,406,149.63
  4. Step 4: Simplify right side
    31,325,250.06x = 925,533,223,660,759.25
  5. Step 5: Solve for x
    x = 925,533,223,660,759.25/31,325,250.06
  6. Step 6: Final answer
    x = 29,545,916.53

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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.