Home / 42,038.93-57,995.34-27,680.24

Finding the Fourth Proportional to 42,038.93, 57,995.34 and 27,680.24

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Solution

The fourth proportional to 42,038.93, 57,995.34 and 27,680.24 is: 38,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038.93 : 57,995.34 = 27,680.24 : x
  2. Step 2: Convert to fraction form
    42,038.93/57,995.34 = 27,680.24/x
  3. Step 3: Cross multiply
    42,038.93x = 57,995.34 × 27,680.24
  4. Step 4: Simplify right side
    42,038.93x = 1,605,324,930.08
  5. Step 5: Solve for x
    x = 1,605,324,930.08/42,038.93
  6. Step 6: Final answer
    x = 38,186.63

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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.