Home / 29,058.20-40,087-18,983.96

Finding the Fourth Proportional to 29,058.20, 40,087 and 18,983.96

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Solution

The fourth proportional to 29,058.20, 40,087 and 18,983.96 is: 26,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,058.20 : 40,087 = 18,983.96 : x
  2. Step 2: Convert to fraction form
    29,058.20/40,087 = 18,983.96/x
  3. Step 3: Cross multiply
    29,058.20x = 40,087 × 18,983.96
  4. Step 4: Simplify right side
    29,058.20x = 761,010,004.52
  5. Step 5: Solve for x
    x = 761,010,004.52/29,058.20
  6. Step 6: Final answer
    x = 26,189.17

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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.