Home / 30,768.23-42,461.04-17,338.74

Finding the Fourth Proportional to 30,768.23, 42,461.04 and 17,338.74

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Solution

The fourth proportional to 30,768.23, 42,461.04 and 17,338.74 is: 23,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.23 : 42,461.04 = 17,338.74 : x
  2. Step 2: Convert to fraction form
    30,768.23/42,461.04 = 17,338.74/x
  3. Step 3: Cross multiply
    30,768.23x = 42,461.04 × 17,338.74
  4. Step 4: Simplify right side
    30,768.23x = 736,220,932.69
  5. Step 5: Solve for x
    x = 736,220,932.69/30,768.23
  6. Step 6: Final answer
    x = 23,927.96

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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.