Home / 30,534.03-45,795.56-10,812.69

Finding the Fourth Proportional to 30,534.03, 45,795.56 and 10,812.69

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Solution

The fourth proportional to 30,534.03, 45,795.56 and 10,812.69 is: 16,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534.03 : 45,795.56 = 10,812.69 : x
  2. Step 2: Convert to fraction form
    30,534.03/45,795.56 = 10,812.69/x
  3. Step 3: Cross multiply
    30,534.03x = 45,795.56 × 10,812.69
  4. Step 4: Simplify right side
    30,534.03x = 495,173,139.59
  5. Step 5: Solve for x
    x = 495,173,139.59/30,534.03
  6. Step 6: Final answer
    x = 16,217.09

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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.