Home / 60,637.76-90,969.96-18,521.36

Finding the Fourth Proportional to 60,637.76, 90,969.96 and 18,521.36

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Solution

The fourth proportional to 60,637.76, 90,969.96 and 18,521.36 is: 27,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,637.76 : 90,969.96 = 18,521.36 : x
  2. Step 2: Convert to fraction form
    60,637.76/90,969.96 = 18,521.36/x
  3. Step 3: Cross multiply
    60,637.76x = 90,969.96 × 18,521.36
  4. Step 4: Simplify right side
    60,637.76x = 1,684,887,378.35
  5. Step 5: Solve for x
    x = 1,684,887,378.35/60,637.76
  6. Step 6: Final answer
    x = 27,786.11

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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.