Home / 56,780.28-85,187.06-16,800.31

Finding the Fourth Proportional to 56,780.28, 85,187.06 and 16,800.31

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Solution

The fourth proportional to 56,780.28, 85,187.06 and 16,800.31 is: 25,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,780.28 : 85,187.06 = 16,800.31 : x
  2. Step 2: Convert to fraction form
    56,780.28/85,187.06 = 16,800.31/x
  3. Step 3: Cross multiply
    56,780.28x = 85,187.06 × 16,800.31
  4. Step 4: Simplify right side
    56,780.28x = 1,431,169,015.99
  5. Step 5: Solve for x
    x = 1,431,169,015.99/56,780.28
  6. Step 6: Final answer
    x = 25,205.39

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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.