Home / 45,042.33-67,570.83-13,877.58

Finding the Fourth Proportional to 45,042.33, 67,570.83 and 13,877.58

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Solution

The fourth proportional to 45,042.33, 67,570.83 and 13,877.58 is: 20,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,042.33 : 67,570.83 = 13,877.58 : x
  2. Step 2: Convert to fraction form
    45,042.33/67,570.83 = 13,877.58/x
  3. Step 3: Cross multiply
    45,042.33x = 67,570.83 × 13,877.58
  4. Step 4: Simplify right side
    45,042.33x = 937,719,598.99
  5. Step 5: Solve for x
    x = 937,719,598.99/45,042.33
  6. Step 6: Final answer
    x = 20,818.63

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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.