Home / 39,623.96-59,421.78-18,560.40

Finding the Fourth Proportional to 39,623.96, 59,421.78 and 18,560.40

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Solution

The fourth proportional to 39,623.96, 59,421.78 and 18,560.40 is: 27,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,623.96 : 59,421.78 = 18,560.40 : x
  2. Step 2: Convert to fraction form
    39,623.96/59,421.78 = 18,560.40/x
  3. Step 3: Cross multiply
    39,623.96x = 59,421.78 × 18,560.40
  4. Step 4: Simplify right side
    39,623.96x = 1,102,892,005.51
  5. Step 5: Solve for x
    x = 1,102,892,005.51/39,623.96
  6. Step 6: Final answer
    x = 27,833.97

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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.