Home / 37,740.23-56,626.50-12,782.91

Finding the Fourth Proportional to 37,740.23, 56,626.50 and 12,782.91

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Solution

The fourth proportional to 37,740.23, 56,626.50 and 12,782.91 is: 19,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,740.23 : 56,626.50 = 12,782.91 : x
  2. Step 2: Convert to fraction form
    37,740.23/56,626.50 = 12,782.91/x
  3. Step 3: Cross multiply
    37,740.23x = 56,626.50 × 12,782.91
  4. Step 4: Simplify right side
    37,740.23x = 723,851,453.12
  5. Step 5: Solve for x
    x = 723,851,453.12/37,740.23
  6. Step 6: Final answer
    x = 19,179.84

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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.