Home / 29,698.65-40,962.81-19,078.03

Finding the Fourth Proportional to 29,698.65, 40,962.81 and 19,078.03

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Solution

The fourth proportional to 29,698.65, 40,962.81 and 19,078.03 is: 26,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,698.65 : 40,962.81 = 19,078.03 : x
  2. Step 2: Convert to fraction form
    29,698.65/40,962.81 = 19,078.03/x
  3. Step 3: Cross multiply
    29,698.65x = 40,962.81 × 19,078.03
  4. Step 4: Simplify right side
    29,698.65x = 781,489,840.81
  5. Step 5: Solve for x
    x = 781,489,840.81/29,698.65
  6. Step 6: Final answer
    x = 26,313.99

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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.