Home / 29,043.47-43,569.76-12,403.59

Finding the Fourth Proportional to 29,043.47, 43,569.76 and 12,403.59

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Solution

The fourth proportional to 29,043.47, 43,569.76 and 12,403.59 is: 18,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.47 : 43,569.76 = 12,403.59 : x
  2. Step 2: Convert to fraction form
    29,043.47/43,569.76 = 12,403.59/x
  3. Step 3: Cross multiply
    29,043.47x = 43,569.76 × 12,403.59
  4. Step 4: Simplify right side
    29,043.47x = 540,421,221.59
  5. Step 5: Solve for x
    x = 540,421,221.59/29,043.47
  6. Step 6: Final answer
    x = 18,607.32

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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.