Home / 31,313.01-42,954.63-29,618.22

Finding the Fourth Proportional to 31,313.01, 42,954.63 and 29,618.22

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Solution

The fourth proportional to 31,313.01, 42,954.63 and 29,618.22 is: 40,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.01 : 42,954.63 = 29,618.22 : x
  2. Step 2: Convert to fraction form
    31,313.01/42,954.63 = 29,618.22/x
  3. Step 3: Cross multiply
    31,313.01x = 42,954.63 × 29,618.22
  4. Step 4: Simplify right side
    31,313.01x = 1,272,239,681.36
  5. Step 5: Solve for x
    x = 1,272,239,681.36/31,313.01
  6. Step 6: Final answer
    x = 40,629.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.