Home / 45,239.95-67,827.12-30,412.09

Finding the Fourth Proportional to 45,239.95, 67,827.12 and 30,412.09

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Solution

The fourth proportional to 45,239.95, 67,827.12 and 30,412.09 is: 45,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,239.95 : 67,827.12 = 30,412.09 : x
  2. Step 2: Convert to fraction form
    45,239.95/67,827.12 = 30,412.09/x
  3. Step 3: Cross multiply
    45,239.95x = 67,827.12 × 30,412.09
  4. Step 4: Simplify right side
    45,239.95x = 2,062,764,477.88
  5. Step 5: Solve for x
    x = 2,062,764,477.88/45,239.95
  6. Step 6: Final answer
    x = 45,596.08

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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.