Home / 29,335.07-40,515.75-19,887.23

Finding the Fourth Proportional to 29,335.07, 40,515.75 and 19,887.23

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Solution

The fourth proportional to 29,335.07, 40,515.75 and 19,887.23 is: 27,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.07 : 40,515.75 = 19,887.23 : x
  2. Step 2: Convert to fraction form
    29,335.07/40,515.75 = 19,887.23/x
  3. Step 3: Cross multiply
    29,335.07x = 40,515.75 × 19,887.23
  4. Step 4: Simplify right side
    29,335.07x = 805,745,836.29
  5. Step 5: Solve for x
    x = 805,745,836.29/29,335.07
  6. Step 6: Final answer
    x = 27,466.99

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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.