Home / 30,064.95-41,502.41-18,740.09

Finding the Fourth Proportional to 30,064.95, 41,502.41 and 18,740.09

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Solution

The fourth proportional to 30,064.95, 41,502.41 and 18,740.09 is: 25,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.95 : 41,502.41 = 18,740.09 : x
  2. Step 2: Convert to fraction form
    30,064.95/41,502.41 = 18,740.09/x
  3. Step 3: Cross multiply
    30,064.95x = 41,502.41 × 18,740.09
  4. Step 4: Simplify right side
    30,064.95x = 777,758,898.62
  5. Step 5: Solve for x
    x = 777,758,898.62/30,064.95
  6. Step 6: Final answer
    x = 25,869.29

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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.