Home / 30,479.46-42,060.69-17,050.95

Finding the Fourth Proportional to 30,479.46, 42,060.69 and 17,050.95

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Solution

The fourth proportional to 30,479.46, 42,060.69 and 17,050.95 is: 23,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.46 : 42,060.69 = 17,050.95 : x
  2. Step 2: Convert to fraction form
    30,479.46/42,060.69 = 17,050.95/x
  3. Step 3: Cross multiply
    30,479.46x = 42,060.69 × 17,050.95
  4. Step 4: Simplify right side
    30,479.46x = 717,174,722.16
  5. Step 5: Solve for x
    x = 717,174,722.16/30,479.46
  6. Step 6: Final answer
    x = 23,529.77

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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.