Home / 56,986.27-85,427.15-21,899.50

Finding the Fourth Proportional to 56,986.27, 85,427.15 and 21,899.50

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Solution

The fourth proportional to 56,986.27, 85,427.15 and 21,899.50 is: 32,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,986.27 : 85,427.15 = 21,899.50 : x
  2. Step 2: Convert to fraction form
    56,986.27/85,427.15 = 21,899.50/x
  3. Step 3: Cross multiply
    56,986.27x = 85,427.15 × 21,899.50
  4. Step 4: Simplify right side
    56,986.27x = 1,870,811,548.36
  5. Step 5: Solve for x
    x = 1,870,811,548.36/56,986.27
  6. Step 6: Final answer
    x = 32,829.16

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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.