Home / 30,538.64-45,808.07-10,817.78

Finding the Fourth Proportional to 30,538.64, 45,808.07 and 10,817.78

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Solution

The fourth proportional to 30,538.64, 45,808.07 and 10,817.78 is: 16,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,538.64 : 45,808.07 = 10,817.78 : x
  2. Step 2: Convert to fraction form
    30,538.64/45,808.07 = 10,817.78/x
  3. Step 3: Cross multiply
    30,538.64x = 45,808.07 × 10,817.78
  4. Step 4: Simplify right side
    30,538.64x = 495,541,340.36
  5. Step 5: Solve for x
    x = 495,541,340.36/30,538.64
  6. Step 6: Final answer
    x = 16,226.70

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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.