Home / 56,710.43-85,118.21-28,650.23

Finding the Fourth Proportional to 56,710.43, 85,118.21 and 28,650.23

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Solution

The fourth proportional to 56,710.43, 85,118.21 and 28,650.23 is: 43,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710.43 : 85,118.21 = 28,650.23 : x
  2. Step 2: Convert to fraction form
    56,710.43/85,118.21 = 28,650.23/x
  3. Step 3: Cross multiply
    56,710.43x = 85,118.21 × 28,650.23
  4. Step 4: Simplify right side
    56,710.43x = 2,438,656,653.30
  5. Step 5: Solve for x
    x = 2,438,656,653.30/56,710.43
  6. Step 6: Final answer
    x = 43,001.91

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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.