Home / 56,439.45-84,658.30-13,745.27

Finding the Fourth Proportional to 56,439.45, 84,658.30 and 13,745.27

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Solution

The fourth proportional to 56,439.45, 84,658.30 and 13,745.27 is: 20,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,439.45 : 84,658.30 = 13,745.27 : x
  2. Step 2: Convert to fraction form
    56,439.45/84,658.30 = 13,745.27/x
  3. Step 3: Cross multiply
    56,439.45x = 84,658.30 × 13,745.27
  4. Step 4: Simplify right side
    56,439.45x = 1,163,651,368.52
  5. Step 5: Solve for x
    x = 1,163,651,368.52/56,439.45
  6. Step 6: Final answer
    x = 20,617.70

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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.