Home / 60,131.29-90,171.55-18,017.36

Finding the Fourth Proportional to 60,131.29, 90,171.55 and 18,017.36

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Solution

The fourth proportional to 60,131.29, 90,171.55 and 18,017.36 is: 27,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,131.29 : 90,171.55 = 18,017.36 : x
  2. Step 2: Convert to fraction form
    60,131.29/90,171.55 = 18,017.36/x
  3. Step 3: Cross multiply
    60,131.29x = 90,171.55 × 18,017.36
  4. Step 4: Simplify right side
    60,131.29x = 1,624,653,278.11
  5. Step 5: Solve for x
    x = 1,624,653,278.11/60,131.29
  6. Step 6: Final answer
    x = 27,018.43

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1.5x scale

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.