Home / 48,071.35-72,132.84-20,010.77

Finding the Fourth Proportional to 48,071.35, 72,132.84 and 20,010.77

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Solution

The fourth proportional to 48,071.35, 72,132.84 and 20,010.77 is: 30,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,071.35 : 72,132.84 = 20,010.77 : x
  2. Step 2: Convert to fraction form
    48,071.35/72,132.84 = 20,010.77/x
  3. Step 3: Cross multiply
    48,071.35x = 72,132.84 × 20,010.77
  4. Step 4: Simplify right side
    48,071.35x = 1,443,433,670.69
  5. Step 5: Solve for x
    x = 1,443,433,670.69/48,071.35
  6. Step 6: Final answer
    x = 30,026.90

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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.