Home / 34,178.51-47,153.72-20,026.19

Finding the Fourth Proportional to 34,178.51, 47,153.72 and 20,026.19

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Solution

The fourth proportional to 34,178.51, 47,153.72 and 20,026.19 is: 27,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,178.51 : 47,153.72 = 20,026.19 : x
  2. Step 2: Convert to fraction form
    34,178.51/47,153.72 = 20,026.19/x
  3. Step 3: Cross multiply
    34,178.51x = 47,153.72 × 20,026.19
  4. Step 4: Simplify right side
    34,178.51x = 944,309,020.03
  5. Step 5: Solve for x
    x = 944,309,020.03/34,178.51
  6. Step 6: Final answer
    x = 27,628.74

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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.