Home / 30,624.90-42,259.77-17,195.10

Finding the Fourth Proportional to 30,624.90, 42,259.77 and 17,195.10

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Solution

The fourth proportional to 30,624.90, 42,259.77 and 17,195.10 is: 23,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.90 : 42,259.77 = 17,195.10 : x
  2. Step 2: Convert to fraction form
    30,624.90/42,259.77 = 17,195.10/x
  3. Step 3: Cross multiply
    30,624.90x = 42,259.77 × 17,195.10
  4. Step 4: Simplify right side
    30,624.90x = 726,660,971.13
  5. Step 5: Solve for x
    x = 726,660,971.13/30,624.90
  6. Step 6: Final answer
    x = 23,727.78

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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.