Home / 45,257.40-67,886.10-21,903.48

Finding the Fourth Proportional to 45,257.40, 67,886.10 and 21,903.48

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Solution

The fourth proportional to 45,257.40, 67,886.10 and 21,903.48 is: 32,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,257.40 : 67,886.10 = 21,903.48 : x
  2. Step 2: Convert to fraction form
    45,257.40/67,886.10 = 21,903.48/x
  3. Step 3: Cross multiply
    45,257.40x = 67,886.10 × 21,903.48
  4. Step 4: Simplify right side
    45,257.40x = 1,486,941,833.63
  5. Step 5: Solve for x
    x = 1,486,941,833.63/45,257.40
  6. Step 6: Final answer
    x = 32,855.22

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Similar ratio
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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.