Home / 30,904.01-42,650.17-17,477.65

Finding the Fourth Proportional to 30,904.01, 42,650.17 and 17,477.65

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Solution

The fourth proportional to 30,904.01, 42,650.17 and 17,477.65 is: 24,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.01 : 42,650.17 = 17,477.65 : x
  2. Step 2: Convert to fraction form
    30,904.01/42,650.17 = 17,477.65/x
  3. Step 3: Cross multiply
    30,904.01x = 42,650.17 × 17,477.65
  4. Step 4: Simplify right side
    30,904.01x = 745,424,743.70
  5. Step 5: Solve for x
    x = 745,424,743.70/30,904.01
  6. Step 6: Final answer
    x = 24,120.65

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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.