Home / 30,723.29-42,398.23-17,294.75

Finding the Fourth Proportional to 30,723.29, 42,398.23 and 17,294.75

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Solution

The fourth proportional to 30,723.29, 42,398.23 and 17,294.75 is: 23,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.29 : 42,398.23 = 17,294.75 : x
  2. Step 2: Convert to fraction form
    30,723.29/42,398.23 = 17,294.75/x
  3. Step 3: Cross multiply
    30,723.29x = 42,398.23 × 17,294.75
  4. Step 4: Simplify right side
    30,723.29x = 733,266,533.06
  5. Step 5: Solve for x
    x = 733,266,533.06/30,723.29
  6. Step 6: Final answer
    x = 23,866.80

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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.