Home / 45,221.40-62,339.98-31,751.64

Finding the Fourth Proportional to 45,221.40, 62,339.98 and 31,751.64

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Solution

The fourth proportional to 45,221.40, 62,339.98 and 31,751.64 is: 43,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221.40 : 62,339.98 = 31,751.64 : x
  2. Step 2: Convert to fraction form
    45,221.40/62,339.98 = 31,751.64/x
  3. Step 3: Cross multiply
    45,221.40x = 62,339.98 × 31,751.64
  4. Step 4: Simplify right side
    45,221.40x = 1,979,396,602.57
  5. Step 5: Solve for x
    x = 1,979,396,602.57/45,221.40
  6. Step 6: Final answer
    x = 43,771.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.