Home / 30,700.26-42,368.00-17,272.35

Finding the Fourth Proportional to 30,700.26, 42,368.00 and 17,272.35

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Solution

The fourth proportional to 30,700.26, 42,368.00 and 17,272.35 is: 23,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,700.26 : 42,368.00 = 17,272.35 : x
  2. Step 2: Convert to fraction form
    30,700.26/42,368.00 = 17,272.35/x
  3. Step 3: Cross multiply
    30,700.26x = 42,368.00 × 17,272.35
  4. Step 4: Simplify right side
    30,700.26x = 731,794,838.44
  5. Step 5: Solve for x
    x = 731,794,838.44/30,700.26
  6. Step 6: Final answer
    x = 23,836.76

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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.