Home / 36,780.83-55,171.76-10,485.57

Finding the Fourth Proportional to 36,780.83, 55,171.76 and 10,485.57

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Solution

The fourth proportional to 36,780.83, 55,171.76 and 10,485.57 is: 15,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.83 : 55,171.76 = 10,485.57 : x
  2. Step 2: Convert to fraction form
    36,780.83/55,171.76 = 10,485.57/x
  3. Step 3: Cross multiply
    36,780.83x = 55,171.76 × 10,485.57
  4. Step 4: Simplify right side
    36,780.83x = 578,507,299.08
  5. Step 5: Solve for x
    x = 578,507,299.08/36,780.83
  6. Step 6: Final answer
    x = 15,728.50

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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.