Home / 37,810.93-52,178.16-20,815.04

Finding the Fourth Proportional to 37,810.93, 52,178.16 and 20,815.04

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Solution

The fourth proportional to 37,810.93, 52,178.16 and 20,815.04 is: 28,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.93 : 52,178.16 = 20,815.04 : x
  2. Step 2: Convert to fraction form
    37,810.93/52,178.16 = 20,815.04/x
  3. Step 3: Cross multiply
    37,810.93x = 52,178.16 × 20,815.04
  4. Step 4: Simplify right side
    37,810.93x = 1,086,090,226.64
  5. Step 5: Solve for x
    x = 1,086,090,226.64/37,810.93
  6. Step 6: Final answer
    x = 28,724.24

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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.