Home / 37,615.34-56,423.21-11,319.90

Finding the Fourth Proportional to 37,615.34, 56,423.21 and 11,319.90

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Solution

The fourth proportional to 37,615.34, 56,423.21 and 11,319.90 is: 16,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,615.34 : 56,423.21 = 11,319.90 : x
  2. Step 2: Convert to fraction form
    37,615.34/56,423.21 = 11,319.90/x
  3. Step 3: Cross multiply
    37,615.34x = 56,423.21 × 11,319.90
  4. Step 4: Simplify right side
    37,615.34x = 638,705,094.88
  5. Step 5: Solve for x
    x = 638,705,094.88/37,615.34
  6. Step 6: Final answer
    x = 16,979.91

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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.