Home / 30,364.81-45,545.09-10,644.75

Finding the Fourth Proportional to 30,364.81, 45,545.09 and 10,644.75

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Solution

The fourth proportional to 30,364.81, 45,545.09 and 10,644.75 is: 15,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.81 : 45,545.09 = 10,644.75 : x
  2. Step 2: Convert to fraction form
    30,364.81/45,545.09 = 10,644.75/x
  3. Step 3: Cross multiply
    30,364.81x = 45,545.09 × 10,644.75
  4. Step 4: Simplify right side
    30,364.81x = 484,816,043.55
  5. Step 5: Solve for x
    x = 484,816,043.55/30,364.81
  6. Step 6: Final answer
    x = 15,966.38

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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.