Home / 45,412.05-62,670.09-28,410.84

Finding the Fourth Proportional to 45,412.05, 62,670.09 and 28,410.84

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Solution

The fourth proportional to 45,412.05, 62,670.09 and 28,410.84 is: 39,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,412.05 : 62,670.09 = 28,410.84 : x
  2. Step 2: Convert to fraction form
    45,412.05/62,670.09 = 28,410.84/x
  3. Step 3: Cross multiply
    45,412.05x = 62,670.09 × 28,410.84
  4. Step 4: Simplify right side
    45,412.05x = 1,780,509,899.78
  5. Step 5: Solve for x
    x = 1,780,509,899.78/45,412.05
  6. Step 6: Final answer
    x = 39,207.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.