Home / 45,055.71-67,496.09-21,698.55

Finding the Fourth Proportional to 45,055.71, 67,496.09 and 21,698.55

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Solution

The fourth proportional to 45,055.71, 67,496.09 and 21,698.55 is: 32,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,055.71 : 67,496.09 = 21,698.55 : x
  2. Step 2: Convert to fraction form
    45,055.71/67,496.09 = 21,698.55/x
  3. Step 3: Cross multiply
    45,055.71x = 67,496.09 × 21,698.55
  4. Step 4: Simplify right side
    45,055.71x = 1,464,567,175.18
  5. Step 5: Solve for x
    x = 1,464,567,175.18/45,055.71
  6. Step 6: Final answer
    x = 32,505.70

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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.