Home / 30,457.56-42,031.99-17,027.38

Finding the Fourth Proportional to 30,457.56, 42,031.99 and 17,027.38

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Solution

The fourth proportional to 30,457.56, 42,031.99 and 17,027.38 is: 23,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.56 : 42,031.99 = 17,027.38 : x
  2. Step 2: Convert to fraction form
    30,457.56/42,031.99 = 17,027.38/x
  3. Step 3: Cross multiply
    30,457.56x = 42,031.99 × 17,027.38
  4. Step 4: Simplify right side
    30,457.56x = 715,694,518.24
  5. Step 5: Solve for x
    x = 715,694,518.24/30,457.56
  6. Step 6: Final answer
    x = 23,498.09

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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.