Home / 45,039.42-67,522.66-18,763.83

Finding the Fourth Proportional to 45,039.42, 67,522.66 and 18,763.83

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Solution

The fourth proportional to 45,039.42, 67,522.66 and 18,763.83 is: 28,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,039.42 : 67,522.66 = 18,763.83 : x
  2. Step 2: Convert to fraction form
    45,039.42/67,522.66 = 18,763.83/x
  3. Step 3: Cross multiply
    45,039.42x = 67,522.66 × 18,763.83
  4. Step 4: Simplify right side
    45,039.42x = 1,266,983,666.48
  5. Step 5: Solve for x
    x = 1,266,983,666.48/45,039.42
  6. Step 6: Final answer
    x = 28,130.55

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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.