Home / 39,955.80-59,964.70-15,018.56

Finding the Fourth Proportional to 39,955.80, 59,964.70 and 15,018.56

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Solution

The fourth proportional to 39,955.80, 59,964.70 and 15,018.56 is: 22,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.80 : 59,964.70 = 15,018.56 : x
  2. Step 2: Convert to fraction form
    39,955.80/59,964.70 = 15,018.56/x
  3. Step 3: Cross multiply
    39,955.80x = 59,964.70 × 15,018.56
  4. Step 4: Simplify right side
    39,955.80x = 900,583,444.83
  5. Step 5: Solve for x
    x = 900,583,444.83/39,955.80
  6. Step 6: Final answer
    x = 22,539.49

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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.