Home / 45,003.84-67,503.00-18,708.81

Finding the Fourth Proportional to 45,003.84, 67,503.00 and 18,708.81

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Solution

The fourth proportional to 45,003.84, 67,503.00 and 18,708.81 is: 28,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,003.84 : 67,503.00 = 18,708.81 : x
  2. Step 2: Convert to fraction form
    45,003.84/67,503.00 = 18,708.81/x
  3. Step 3: Cross multiply
    45,003.84x = 67,503.00 × 18,708.81
  4. Step 4: Simplify right side
    45,003.84x = 1,262,900,618.45
  5. Step 5: Solve for x
    x = 1,262,900,618.45/45,003.84
  6. Step 6: Final answer
    x = 28,062.07

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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.