Home / 45,854.92-68,782.48-12,575.46

Finding the Fourth Proportional to 45,854.92, 68,782.48 and 12,575.46

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Solution

The fourth proportional to 45,854.92, 68,782.48 and 12,575.46 is: 18,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,854.92 : 68,782.48 = 12,575.46 : x
  2. Step 2: Convert to fraction form
    45,854.92/68,782.48 = 12,575.46/x
  3. Step 3: Cross multiply
    45,854.92x = 68,782.48 × 12,575.46
  4. Step 4: Simplify right side
    45,854.92x = 864,971,294.50
  5. Step 5: Solve for x
    x = 864,971,294.50/45,854.92
  6. Step 6: Final answer
    x = 18,863.22

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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.