Home / 40,018.05-59,985.36-15,040.89

Finding the Fourth Proportional to 40,018.05, 59,985.36 and 15,040.89

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Solution

The fourth proportional to 40,018.05, 59,985.36 and 15,040.89 is: 22,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.05 : 59,985.36 = 15,040.89 : x
  2. Step 2: Convert to fraction form
    40,018.05/59,985.36 = 15,040.89/x
  3. Step 3: Cross multiply
    40,018.05x = 59,985.36 × 15,040.89
  4. Step 4: Simplify right side
    40,018.05x = 902,233,201.37
  5. Step 5: Solve for x
    x = 902,233,201.37/40,018.05
  6. Step 6: Final answer
    x = 22,545.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.