Home / 47,042.57-64,918.65-25,821.38

Finding the Fourth Proportional to 47,042.57, 64,918.65 and 25,821.38

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Solution

The fourth proportional to 47,042.57, 64,918.65 and 25,821.38 is: 35,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,042.57 : 64,918.65 = 25,821.38 : x
  2. Step 2: Convert to fraction form
    47,042.57/64,918.65 = 25,821.38/x
  3. Step 3: Cross multiply
    47,042.57x = 64,918.65 × 25,821.38
  4. Step 4: Simplify right side
    47,042.57x = 1,676,288,677.04
  5. Step 5: Solve for x
    x = 1,676,288,677.04/47,042.57
  6. Step 6: Final answer
    x = 35,633.45

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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.