Home / 30,865.43-42,592.92-17,436.63

Finding the Fourth Proportional to 30,865.43, 42,592.92 and 17,436.63

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Solution

The fourth proportional to 30,865.43, 42,592.92 and 17,436.63 is: 24,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865.43 : 42,592.92 = 17,436.63 : x
  2. Step 2: Convert to fraction form
    30,865.43/42,592.92 = 17,436.63/x
  3. Step 3: Cross multiply
    30,865.43x = 42,592.92 × 17,436.63
  4. Step 4: Simplify right side
    30,865.43x = 742,676,986.66
  5. Step 5: Solve for x
    x = 742,676,986.66/30,865.43
  6. Step 6: Final answer
    x = 24,061.77

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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.