Home / 45,983.58-68,980.23-19,681.26

Finding the Fourth Proportional to 45,983.58, 68,980.23 and 19,681.26

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Solution

The fourth proportional to 45,983.58, 68,980.23 and 19,681.26 is: 29,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,983.58 : 68,980.23 = 19,681.26 : x
  2. Step 2: Convert to fraction form
    45,983.58/68,980.23 = 19,681.26/x
  3. Step 3: Cross multiply
    45,983.58x = 68,980.23 × 19,681.26
  4. Step 4: Simplify right side
    45,983.58x = 1,357,617,841.49
  5. Step 5: Solve for x
    x = 1,357,617,841.49/45,983.58
  6. Step 6: Final answer
    x = 29,523.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.