Home / 30,479.20-42,059.34-17,048.14

Finding the Fourth Proportional to 30,479.20, 42,059.34 and 17,048.14

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Solution

The fourth proportional to 30,479.20, 42,059.34 and 17,048.14 is: 23,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.20 : 42,059.34 = 17,048.14 : x
  2. Step 2: Convert to fraction form
    30,479.20/42,059.34 = 17,048.14/x
  3. Step 3: Cross multiply
    30,479.20x = 42,059.34 × 17,048.14
  4. Step 4: Simplify right side
    30,479.20x = 717,033,411.48
  5. Step 5: Solve for x
    x = 717,033,411.48/30,479.20
  6. Step 6: Final answer
    x = 23,525.34

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Half scale
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Double scale
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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.