Home / 31,338.77-43,218.59-29,075.22

Finding the Fourth Proportional to 31,338.77, 43,218.59 and 29,075.22

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Solution

The fourth proportional to 31,338.77, 43,218.59 and 29,075.22 is: 40,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,338.77 : 43,218.59 = 29,075.22 : x
  2. Step 2: Convert to fraction form
    31,338.77/43,218.59 = 29,075.22/x
  3. Step 3: Cross multiply
    31,338.77x = 43,218.59 × 29,075.22
  4. Step 4: Simplify right side
    31,338.77x = 1,256,589,866.96
  5. Step 5: Solve for x
    x = 1,256,589,866.96/31,338.77
  6. Step 6: Final answer
    x = 40,096.98

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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.