Home / 45,543.27-68,294.84-20,582.31

Finding the Fourth Proportional to 45,543.27, 68,294.84 and 20,582.31

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Solution

The fourth proportional to 45,543.27, 68,294.84 and 20,582.31 is: 30,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.27 : 68,294.84 = 20,582.31 : x
  2. Step 2: Convert to fraction form
    45,543.27/68,294.84 = 20,582.31/x
  3. Step 3: Cross multiply
    45,543.27x = 68,294.84 × 20,582.31
  4. Step 4: Simplify right side
    45,543.27x = 1,405,665,568.28
  5. Step 5: Solve for x
    x = 1,405,665,568.28/45,543.27
  6. Step 6: Final answer
    x = 30,864.40

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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.