Home / 37,088.89-55,636.76-12,129.08

Finding the Fourth Proportional to 37,088.89, 55,636.76 and 12,129.08

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Solution

The fourth proportional to 37,088.89, 55,636.76 and 12,129.08 is: 18,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,088.89 : 55,636.76 = 12,129.08 : x
  2. Step 2: Convert to fraction form
    37,088.89/55,636.76 = 12,129.08/x
  3. Step 3: Cross multiply
    37,088.89x = 55,636.76 × 12,129.08
  4. Step 4: Simplify right side
    37,088.89x = 674,822,513.24
  5. Step 5: Solve for x
    x = 674,822,513.24/37,088.89
  6. Step 6: Final answer
    x = 18,194.73

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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.