Home / 58,416.43-87,633.09-18,421.84

Finding the Fourth Proportional to 58,416.43, 87,633.09 and 18,421.84

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Solution

The fourth proportional to 58,416.43, 87,633.09 and 18,421.84 is: 27,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,416.43 : 87,633.09 = 18,421.84 : x
  2. Step 2: Convert to fraction form
    58,416.43/87,633.09 = 18,421.84/x
  3. Step 3: Cross multiply
    58,416.43x = 87,633.09 × 18,421.84
  4. Step 4: Simplify right side
    58,416.43x = 1,614,362,762.69
  5. Step 5: Solve for x
    x = 1,614,362,762.69/58,416.43
  6. Step 6: Final answer
    x = 27,635.42

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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.