Home / 56,000.18-77,276.58-30,849.68

Finding the Fourth Proportional to 56,000.18, 77,276.58 and 30,849.68

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Solution

The fourth proportional to 56,000.18, 77,276.58 and 30,849.68 is: 42,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.18 : 77,276.58 = 30,849.68 : x
  2. Step 2: Convert to fraction form
    56,000.18/77,276.58 = 30,849.68/x
  3. Step 3: Cross multiply
    56,000.18x = 77,276.58 × 30,849.68
  4. Step 4: Simplify right side
    56,000.18x = 2,383,957,764.49
  5. Step 5: Solve for x
    x = 2,383,957,764.49/56,000.18
  6. Step 6: Final answer
    x = 42,570.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.