Home / 45,808.83-68,713.55-12,528.15

Finding the Fourth Proportional to 45,808.83, 68,713.55 and 12,528.15

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Solution

The fourth proportional to 45,808.83, 68,713.55 and 12,528.15 is: 18,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,808.83 : 68,713.55 = 12,528.15 : x
  2. Step 2: Convert to fraction form
    45,808.83/68,713.55 = 12,528.15/x
  3. Step 3: Cross multiply
    45,808.83x = 68,713.55 × 12,528.15
  4. Step 4: Simplify right side
    45,808.83x = 860,853,598.79
  5. Step 5: Solve for x
    x = 860,853,598.79/45,808.83
  6. Step 6: Final answer
    x = 18,792.31

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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.