Home / 36,206.40-54,309.60-21,407.70

Finding the Fourth Proportional to 36,206.40, 54,309.60 and 21,407.70

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Solution

The fourth proportional to 36,206.40, 54,309.60 and 21,407.70 is: 32,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206.40 : 54,309.60 = 21,407.70 : x
  2. Step 2: Convert to fraction form
    36,206.40/54,309.60 = 21,407.70/x
  3. Step 3: Cross multiply
    36,206.40x = 54,309.60 × 21,407.70
  4. Step 4: Simplify right side
    36,206.40x = 1,162,643,623.92
  5. Step 5: Solve for x
    x = 1,162,643,623.92/36,206.40
  6. Step 6: Final answer
    x = 32,111.55

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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.