Home / 35,173.28-48,537.96-21,018.80

Finding the Fourth Proportional to 35,173.28, 48,537.96 and 21,018.80

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Solution

The fourth proportional to 35,173.28, 48,537.96 and 21,018.80 is: 29,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,173.28 : 48,537.96 = 21,018.80 : x
  2. Step 2: Convert to fraction form
    35,173.28/48,537.96 = 21,018.80/x
  3. Step 3: Cross multiply
    35,173.28x = 48,537.96 × 21,018.80
  4. Step 4: Simplify right side
    35,173.28x = 1,020,209,673.65
  5. Step 5: Solve for x
    x = 1,020,209,673.65/35,173.28
  6. Step 6: Final answer
    x = 29,005.25

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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.