Home / 42,008.63-57,973.12-23,146.97

Finding the Fourth Proportional to 42,008.63, 57,973.12 and 23,146.97

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Solution

The fourth proportional to 42,008.63, 57,973.12 and 23,146.97 is: 31,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.63 : 57,973.12 = 23,146.97 : x
  2. Step 2: Convert to fraction form
    42,008.63/57,973.12 = 23,146.97/x
  3. Step 3: Cross multiply
    42,008.63x = 57,973.12 × 23,146.97
  4. Step 4: Simplify right side
    42,008.63x = 1,341,901,721.71
  5. Step 5: Solve for x
    x = 1,341,901,721.71/42,008.63
  6. Step 6: Final answer
    x = 31,943.48

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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.