Home / 56,512.08-84,753.85-20,953.86

Finding the Fourth Proportional to 56,512.08, 84,753.85 and 20,953.86

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Solution

The fourth proportional to 56,512.08, 84,753.85 and 20,953.86 is: 31,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,512.08 : 84,753.85 = 20,953.86 : x
  2. Step 2: Convert to fraction form
    56,512.08/84,753.85 = 20,953.86/x
  3. Step 3: Cross multiply
    56,512.08x = 84,753.85 × 20,953.86
  4. Step 4: Simplify right side
    56,512.08x = 1,775,920,021.96
  5. Step 5: Solve for x
    x = 1,775,920,021.96/56,512.08
  6. Step 6: Final answer
    x = 31,425.49

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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.