Home / 30,693.64-42,360.84-17,265.40

Finding the Fourth Proportional to 30,693.64, 42,360.84 and 17,265.40

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Solution

The fourth proportional to 30,693.64, 42,360.84 and 17,265.40 is: 23,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,693.64 : 42,360.84 = 17,265.40 : x
  2. Step 2: Convert to fraction form
    30,693.64/42,360.84 = 17,265.40/x
  3. Step 3: Cross multiply
    30,693.64x = 42,360.84 × 17,265.40
  4. Step 4: Simplify right side
    30,693.64x = 731,376,846.94
  5. Step 5: Solve for x
    x = 731,376,846.94/30,693.64
  6. Step 6: Final answer
    x = 23,828.29

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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.