Home / 51,479.08-71,048.56-29,671.12

Finding the Fourth Proportional to 51,479.08, 71,048.56 and 29,671.12

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Solution

The fourth proportional to 51,479.08, 71,048.56 and 29,671.12 is: 40,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.08 : 71,048.56 = 29,671.12 : x
  2. Step 2: Convert to fraction form
    51,479.08/71,048.56 = 29,671.12/x
  3. Step 3: Cross multiply
    51,479.08x = 71,048.56 × 29,671.12
  4. Step 4: Simplify right side
    51,479.08x = 2,108,090,349.59
  5. Step 5: Solve for x
    x = 2,108,090,349.59/51,479.08
  6. Step 6: Final answer
    x = 40,950.43

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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.