Home / 30,727.03-42,407.34-17,300.90

Finding the Fourth Proportional to 30,727.03, 42,407.34 and 17,300.90

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Solution

The fourth proportional to 30,727.03, 42,407.34 and 17,300.90 is: 23,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,727.03 : 42,407.34 = 17,300.90 : x
  2. Step 2: Convert to fraction form
    30,727.03/42,407.34 = 17,300.90/x
  3. Step 3: Cross multiply
    30,727.03x = 42,407.34 × 17,300.90
  4. Step 4: Simplify right side
    30,727.03x = 733,685,148.61
  5. Step 5: Solve for x
    x = 733,685,148.61/30,727.03
  6. Step 6: Final answer
    x = 23,877.52

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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.