Home / 30,139.92-41,590.13-16,710.84

Finding the Fourth Proportional to 30,139.92, 41,590.13 and 16,710.84

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Solution

The fourth proportional to 30,139.92, 41,590.13 and 16,710.84 is: 23,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.92 : 41,590.13 = 16,710.84 : x
  2. Step 2: Convert to fraction form
    30,139.92/41,590.13 = 16,710.84/x
  3. Step 3: Cross multiply
    30,139.92x = 41,590.13 × 16,710.84
  4. Step 4: Simplify right side
    30,139.92x = 695,005,924.46
  5. Step 5: Solve for x
    x = 695,005,924.46/30,139.92
  6. Step 6: Final answer
    x = 23,059.32

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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.