Home / 45,427.20-68,213.70-30,701.40

Finding the Fourth Proportional to 45,427.20, 68,213.70 and 30,701.40

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Solution

The fourth proportional to 45,427.20, 68,213.70 and 30,701.40 is: 46,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,427.20 : 68,213.70 = 30,701.40 : x
  2. Step 2: Convert to fraction form
    45,427.20/68,213.70 = 30,701.40/x
  3. Step 3: Cross multiply
    45,427.20x = 68,213.70 × 30,701.40
  4. Step 4: Simplify right side
    45,427.20x = 2,094,256,089.18
  5. Step 5: Solve for x
    x = 2,094,256,089.18/45,427.20
  6. Step 6: Final answer
    x = 46,101.37

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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.