Home / 56,729.57-85,146.89-28,669.37

Finding the Fourth Proportional to 56,729.57, 85,146.89 and 28,669.37

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Solution

The fourth proportional to 56,729.57, 85,146.89 and 28,669.37 is: 43,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729.57 : 85,146.89 = 28,669.37 : x
  2. Step 2: Convert to fraction form
    56,729.57/85,146.89 = 28,669.37/x
  3. Step 3: Cross multiply
    56,729.57x = 85,146.89 × 28,669.37
  4. Step 4: Simplify right side
    56,729.57x = 2,441,107,124.68
  5. Step 5: Solve for x
    x = 2,441,107,124.68/56,729.57
  6. Step 6: Final answer
    x = 43,030.60

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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.