Home / 42,028.55-63,052.04-12,448.70

Finding the Fourth Proportional to 42,028.55, 63,052.04 and 12,448.70

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Solution

The fourth proportional to 42,028.55, 63,052.04 and 12,448.70 is: 18,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.55 : 63,052.04 = 12,448.70 : x
  2. Step 2: Convert to fraction form
    42,028.55/63,052.04 = 12,448.70/x
  3. Step 3: Cross multiply
    42,028.55x = 63,052.04 × 12,448.70
  4. Step 4: Simplify right side
    42,028.55x = 784,915,646.21
  5. Step 5: Solve for x
    x = 784,915,646.21/42,028.55
  6. Step 6: Final answer
    x = 18,675.77

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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.