Home / 30,244.01-45,369.66-12,711.56

Finding the Fourth Proportional to 30,244.01, 45,369.66 and 12,711.56

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Solution

The fourth proportional to 30,244.01, 45,369.66 and 12,711.56 is: 19,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.01 : 45,369.66 = 12,711.56 : x
  2. Step 2: Convert to fraction form
    30,244.01/45,369.66 = 12,711.56/x
  3. Step 3: Cross multiply
    30,244.01x = 45,369.66 × 12,711.56
  4. Step 4: Simplify right side
    30,244.01x = 576,719,155.27
  5. Step 5: Solve for x
    x = 576,719,155.27/30,244.01
  6. Step 6: Final answer
    x = 19,068.87

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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.