Home / 34,142.79-47,117.47-19,805.94

Finding the Fourth Proportional to 34,142.79, 47,117.47 and 19,805.94

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Solution

The fourth proportional to 34,142.79, 47,117.47 and 19,805.94 is: 27,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,142.79 : 47,117.47 = 19,805.94 : x
  2. Step 2: Convert to fraction form
    34,142.79/47,117.47 = 19,805.94/x
  3. Step 3: Cross multiply
    34,142.79x = 47,117.47 × 19,805.94
  4. Step 4: Simplify right side
    34,142.79x = 933,205,734.26
  5. Step 5: Solve for x
    x = 933,205,734.26/34,142.79
  6. Step 6: Final answer
    x = 27,332.44

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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.