Home / 30,906.01-42,652.93-17,479.65

Finding the Fourth Proportional to 30,906.01, 42,652.93 and 17,479.65

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Solution

The fourth proportional to 30,906.01, 42,652.93 and 17,479.65 is: 24,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.01 : 42,652.93 = 17,479.65 : x
  2. Step 2: Convert to fraction form
    30,906.01/42,652.93 = 17,479.65/x
  3. Step 3: Cross multiply
    30,906.01x = 42,652.93 × 17,479.65
  4. Step 4: Simplify right side
    30,906.01x = 745,558,287.87
  5. Step 5: Solve for x
    x = 745,558,287.87/30,906.01
  6. Step 6: Final answer
    x = 24,123.41

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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.