Home / 31,880.42-47,814.12-30,299.72

Finding the Fourth Proportional to 31,880.42, 47,814.12 and 30,299.72

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Solution

The fourth proportional to 31,880.42, 47,814.12 and 30,299.72 is: 45,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.42 : 47,814.12 = 30,299.72 : x
  2. Step 2: Convert to fraction form
    31,880.42/47,814.12 = 30,299.72/x
  3. Step 3: Cross multiply
    31,880.42x = 47,814.12 × 30,299.72
  4. Step 4: Simplify right side
    31,880.42x = 1,448,754,448.05
  5. Step 5: Solve for x
    x = 1,448,754,448.05/31,880.42
  6. Step 6: Final answer
    x = 45,443.39

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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.