Home / 37,623.90-56,438.93-18,894.30

Finding the Fourth Proportional to 37,623.90, 56,438.93 and 18,894.30

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Solution

The fourth proportional to 37,623.90, 56,438.93 and 18,894.30 is: 28,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,623.90 : 56,438.93 = 18,894.30 : x
  2. Step 2: Convert to fraction form
    37,623.90/56,438.93 = 18,894.30/x
  3. Step 3: Cross multiply
    37,623.90x = 56,438.93 × 18,894.30
  4. Step 4: Simplify right side
    37,623.90x = 1,066,373,910.69
  5. Step 5: Solve for x
    x = 1,066,373,910.69/37,623.90
  6. Step 6: Final answer
    x = 28,342.99

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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.