Home / 33,319.22-45,976.08-21,398.70

Finding the Fourth Proportional to 33,319.22, 45,976.08 and 21,398.70

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Solution

The fourth proportional to 33,319.22, 45,976.08 and 21,398.70 is: 29,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.22 : 45,976.08 = 21,398.70 : x
  2. Step 2: Convert to fraction form
    33,319.22/45,976.08 = 21,398.70/x
  3. Step 3: Cross multiply
    33,319.22x = 45,976.08 × 21,398.70
  4. Step 4: Simplify right side
    33,319.22x = 983,828,343.10
  5. Step 5: Solve for x
    x = 983,828,343.10/33,319.22
  6. Step 6: Final answer
    x = 29,527.35

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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.