Home / 30,693.52-42,358.32-17,265.40

Finding the Fourth Proportional to 30,693.52, 42,358.32 and 17,265.40

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Solution

The fourth proportional to 30,693.52, 42,358.32 and 17,265.40 is: 23,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,693.52 : 42,358.32 = 17,265.40 : x
  2. Step 2: Convert to fraction form
    30,693.52/42,358.32 = 17,265.40/x
  3. Step 3: Cross multiply
    30,693.52x = 42,358.32 × 17,265.40
  4. Step 4: Simplify right side
    30,693.52x = 731,333,338.13
  5. Step 5: Solve for x
    x = 731,333,338.13/30,693.52
  6. Step 6: Final answer
    x = 23,826.96

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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.