Home / 48,342.38-72,499.53-20,261.67

Finding the Fourth Proportional to 48,342.38, 72,499.53 and 20,261.67

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Solution

The fourth proportional to 48,342.38, 72,499.53 and 20,261.67 is: 30,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,342.38 : 72,499.53 = 20,261.67 : x
  2. Step 2: Convert to fraction form
    48,342.38/72,499.53 = 20,261.67/x
  3. Step 3: Cross multiply
    48,342.38x = 72,499.53 × 20,261.67
  4. Step 4: Simplify right side
    48,342.38x = 1,468,961,552.02
  5. Step 5: Solve for x
    x = 1,468,961,552.02/48,342.38
  6. Step 6: Final answer
    x = 30,386.62

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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.