Home / 45,771.12-68,673.15-28,220.58

Finding the Fourth Proportional to 45,771.12, 68,673.15 and 28,220.58

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Solution

The fourth proportional to 45,771.12, 68,673.15 and 28,220.58 is: 42,341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,771.12 : 68,673.15 = 28,220.58 : x
  2. Step 2: Convert to fraction form
    45,771.12/68,673.15 = 28,220.58/x
  3. Step 3: Cross multiply
    45,771.12x = 68,673.15 × 28,220.58
  4. Step 4: Simplify right side
    45,771.12x = 1,937,996,123.43
  5. Step 5: Solve for x
    x = 1,937,996,123.43/45,771.12
  6. Step 6: Final answer
    x = 42,341.02

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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.