Home / 34,161.93-47,130.76-19,813.72

Finding the Fourth Proportional to 34,161.93, 47,130.76 and 19,813.72

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Solution

The fourth proportional to 34,161.93, 47,130.76 and 19,813.72 is: 27,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,161.93 : 47,130.76 = 19,813.72 : x
  2. Step 2: Convert to fraction form
    34,161.93/47,130.76 = 19,813.72/x
  3. Step 3: Cross multiply
    34,161.93x = 47,130.76 × 19,813.72
  4. Step 4: Simplify right side
    34,161.93x = 933,835,682.03
  5. Step 5: Solve for x
    x = 933,835,682.03/34,161.93
  6. Step 6: Final answer
    x = 27,335.57

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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.