Home / 29,159.65-40,203.54-19,072.12

Finding the Fourth Proportional to 29,159.65, 40,203.54 and 19,072.12

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Solution

The fourth proportional to 29,159.65, 40,203.54 and 19,072.12 is: 26,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.65 : 40,203.54 = 19,072.12 : x
  2. Step 2: Convert to fraction form
    29,159.65/40,203.54 = 19,072.12/x
  3. Step 3: Cross multiply
    29,159.65x = 40,203.54 × 19,072.12
  4. Step 4: Simplify right side
    29,159.65x = 766,766,601.11
  5. Step 5: Solve for x
    x = 766,766,601.11/29,159.65
  6. Step 6: Final answer
    x = 26,295.46

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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.