Home / 29,045.47-43,572.76-12,405.59

Finding the Fourth Proportional to 29,045.47, 43,572.76 and 12,405.59

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Solution

The fourth proportional to 29,045.47, 43,572.76 and 12,405.59 is: 18,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045.47 : 43,572.76 = 12,405.59 : x
  2. Step 2: Convert to fraction form
    29,045.47/43,572.76 = 12,405.59/x
  3. Step 3: Cross multiply
    29,045.47x = 43,572.76 × 12,405.59
  4. Step 4: Simplify right side
    29,045.47x = 540,545,795.73
  5. Step 5: Solve for x
    x = 540,545,795.73/29,045.47
  6. Step 6: Final answer
    x = 18,610.33

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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.