Home / 30,628.04-42,266.53-17,200.46

Finding the Fourth Proportional to 30,628.04, 42,266.53 and 17,200.46

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Solution

The fourth proportional to 30,628.04, 42,266.53 and 17,200.46 is: 23,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628.04 : 42,266.53 = 17,200.46 : x
  2. Step 2: Convert to fraction form
    30,628.04/42,266.53 = 17,200.46/x
  3. Step 3: Cross multiply
    30,628.04x = 42,266.53 × 17,200.46
  4. Step 4: Simplify right side
    30,628.04x = 727,003,789.02
  5. Step 5: Solve for x
    x = 727,003,789.02/30,628.04
  6. Step 6: Final answer
    x = 23,736.55

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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.