Home / 58,150.04-87,169.64-18,679.43

Finding the Fourth Proportional to 58,150.04, 87,169.64 and 18,679.43

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Solution

The fourth proportional to 58,150.04, 87,169.64 and 18,679.43 is: 28,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,150.04 : 87,169.64 = 18,679.43 : x
  2. Step 2: Convert to fraction form
    58,150.04/87,169.64 = 18,679.43/x
  3. Step 3: Cross multiply
    58,150.04x = 87,169.64 × 18,679.43
  4. Step 4: Simplify right side
    58,150.04x = 1,628,279,313.03
  5. Step 5: Solve for x
    x = 1,628,279,313.03/58,150.04
  6. Step 6: Final answer
    x = 28,001.35

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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.