Home / 30,479.97-42,060.66-17,048.63

Finding the Fourth Proportional to 30,479.97, 42,060.66 and 17,048.63

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Solution

The fourth proportional to 30,479.97, 42,060.66 and 17,048.63 is: 23,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.97 : 42,060.66 = 17,048.63 : x
  2. Step 2: Convert to fraction form
    30,479.97/42,060.66 = 17,048.63/x
  3. Step 3: Cross multiply
    30,479.97x = 42,060.66 × 17,048.63
  4. Step 4: Simplify right side
    30,479.97x = 717,076,419.59
  5. Step 5: Solve for x
    x = 717,076,419.59/30,479.97
  6. Step 6: Final answer
    x = 23,526.15

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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.