Home / 45,250.95-67,902.89-18,953.49

Finding the Fourth Proportional to 45,250.95, 67,902.89 and 18,953.49

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Solution

The fourth proportional to 45,250.95, 67,902.89 and 18,953.49 is: 28,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.95 : 67,902.89 = 18,953.49 : x
  2. Step 2: Convert to fraction form
    45,250.95/67,902.89 = 18,953.49/x
  3. Step 3: Cross multiply
    45,250.95x = 67,902.89 × 18,953.49
  4. Step 4: Simplify right side
    45,250.95x = 1,286,996,651.82
  5. Step 5: Solve for x
    x = 1,286,996,651.82/45,250.95
  6. Step 6: Final answer
    x = 28,441.32

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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.