Home / 40,644.07-56,107.99-30,576.34

Finding the Fourth Proportional to 40,644.07, 56,107.99 and 30,576.34

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Solution

The fourth proportional to 40,644.07, 56,107.99 and 30,576.34 is: 42,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.07 : 56,107.99 = 30,576.34 : x
  2. Step 2: Convert to fraction form
    40,644.07/56,107.99 = 30,576.34/x
  3. Step 3: Cross multiply
    40,644.07x = 56,107.99 × 30,576.34
  4. Step 4: Simplify right side
    40,644.07x = 1,715,576,826.07
  5. Step 5: Solve for x
    x = 1,715,576,826.07/40,644.07
  6. Step 6: Final answer
    x = 42,209.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.