Home / 30,732.30-42,411.42-17,302.50

Finding the Fourth Proportional to 30,732.30, 42,411.42 and 17,302.50

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Solution

The fourth proportional to 30,732.30, 42,411.42 and 17,302.50 is: 23,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.30 : 42,411.42 = 17,302.50 : x
  2. Step 2: Convert to fraction form
    30,732.30/42,411.42 = 17,302.50/x
  3. Step 3: Cross multiply
    30,732.30x = 42,411.42 × 17,302.50
  4. Step 4: Simplify right side
    30,732.30x = 733,823,594.55
  5. Step 5: Solve for x
    x = 733,823,594.55/30,732.30
  6. Step 6: Final answer
    x = 23,877.93

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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.