Home / 58,314.30-87,474.21-18,874.50

Finding the Fourth Proportional to 58,314.30, 87,474.21 and 18,874.50

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Solution

The fourth proportional to 58,314.30, 87,474.21 and 18,874.50 is: 28,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,314.30 : 87,474.21 = 18,874.50 : x
  2. Step 2: Convert to fraction form
    58,314.30/87,474.21 = 18,874.50/x
  3. Step 3: Cross multiply
    58,314.30x = 87,474.21 × 18,874.50
  4. Step 4: Simplify right side
    58,314.30x = 1,651,031,976.65
  5. Step 5: Solve for x
    x = 1,651,031,976.65/58,314.30
  6. Step 6: Final answer
    x = 28,312.64

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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.