Home / 45,901.93-63,336.25-30,816.49

Finding the Fourth Proportional to 45,901.93, 63,336.25 and 30,816.49

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Solution

The fourth proportional to 45,901.93, 63,336.25 and 30,816.49 is: 42,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,901.93 : 63,336.25 = 30,816.49 : x
  2. Step 2: Convert to fraction form
    45,901.93/63,336.25 = 30,816.49/x
  3. Step 3: Cross multiply
    45,901.93x = 63,336.25 × 30,816.49
  4. Step 4: Simplify right side
    45,901.93x = 1,951,800,914.76
  5. Step 5: Solve for x
    x = 1,951,800,914.76/45,901.93
  6. Step 6: Final answer
    x = 42,521.11

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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.