Home / 30,086.64-45,124.83-9,020.97

Finding the Fourth Proportional to 30,086.64, 45,124.83 and 9,020.97

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Solution

The fourth proportional to 30,086.64, 45,124.83 and 9,020.97 is: 13,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.64 : 45,124.83 = 9,020.97 : x
  2. Step 2: Convert to fraction form
    30,086.64/45,124.83 = 9,020.97/x
  3. Step 3: Cross multiply
    30,086.64x = 45,124.83 × 9,020.97
  4. Step 4: Simplify right side
    30,086.64x = 407,069,737.69
  5. Step 5: Solve for x
    x = 407,069,737.69/30,086.64
  6. Step 6: Final answer
    x = 13,529.92

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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.