Home / 37,270.09-55,910.80-12,312.77

Finding the Fourth Proportional to 37,270.09, 55,910.80 and 12,312.77

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Solution

The fourth proportional to 37,270.09, 55,910.80 and 12,312.77 is: 18,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,270.09 : 55,910.80 = 12,312.77 : x
  2. Step 2: Convert to fraction form
    37,270.09/55,910.80 = 12,312.77/x
  3. Step 3: Cross multiply
    37,270.09x = 55,910.80 × 12,312.77
  4. Step 4: Simplify right side
    37,270.09x = 688,416,820.92
  5. Step 5: Solve for x
    x = 688,416,820.92/37,270.09
  6. Step 6: Final answer
    x = 18,471.03

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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.