Home / 60,910.58-91,378.91-18,219.36

Finding the Fourth Proportional to 60,910.58, 91,378.91 and 18,219.36

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Solution

The fourth proportional to 60,910.58, 91,378.91 and 18,219.36 is: 27,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,910.58 : 91,378.91 = 18,219.36 : x
  2. Step 2: Convert to fraction form
    60,910.58/91,378.91 = 18,219.36/x
  3. Step 3: Cross multiply
    60,910.58x = 91,378.91 × 18,219.36
  4. Step 4: Simplify right side
    60,910.58x = 1,664,865,303.25
  5. Step 5: Solve for x
    x = 1,664,865,303.25/60,910.58
  6. Step 6: Final answer
    x = 27,332.94

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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.