Home / 30,436.38-42,000.71-17,004.96

Finding the Fourth Proportional to 30,436.38, 42,000.71 and 17,004.96

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Solution

The fourth proportional to 30,436.38, 42,000.71 and 17,004.96 is: 23,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.38 : 42,000.71 = 17,004.96 : x
  2. Step 2: Convert to fraction form
    30,436.38/42,000.71 = 17,004.96/x
  3. Step 3: Cross multiply
    30,436.38x = 42,000.71 × 17,004.96
  4. Step 4: Simplify right side
    30,436.38x = 714,220,308.50
  5. Step 5: Solve for x
    x = 714,220,308.50/30,436.38
  6. Step 6: Final answer
    x = 23,466.01

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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.