Home / 42,721.99-58,953.69-25,731.73

Finding the Fourth Proportional to 42,721.99, 58,953.69 and 25,731.73

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Solution

The fourth proportional to 42,721.99, 58,953.69 and 25,731.73 is: 35,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,721.99 : 58,953.69 = 25,731.73 : x
  2. Step 2: Convert to fraction form
    42,721.99/58,953.69 = 25,731.73/x
  3. Step 3: Cross multiply
    42,721.99x = 58,953.69 × 25,731.73
  4. Step 4: Simplify right side
    42,721.99x = 1,516,980,433.58
  5. Step 5: Solve for x
    x = 1,516,980,433.58/42,721.99
  6. Step 6: Final answer
    x = 35,508.19

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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.