Home / 48,089.45-72,150.19-30,299.57

Finding the Fourth Proportional to 48,089.45, 72,150.19 and 30,299.57

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Solution

The fourth proportional to 48,089.45, 72,150.19 and 30,299.57 is: 45,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,089.45 : 72,150.19 = 30,299.57 : x
  2. Step 2: Convert to fraction form
    48,089.45/72,150.19 = 30,299.57/x
  3. Step 3: Cross multiply
    48,089.45x = 72,150.19 × 30,299.57
  4. Step 4: Simplify right side
    48,089.45x = 2,186,119,736.92
  5. Step 5: Solve for x
    x = 2,186,119,736.92/48,089.45
  6. Step 6: Final answer
    x = 45,459.45

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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.