Home / 30,613.32-42,246.90-17,001

Finding the Fourth Proportional to 30,613.32, 42,246.90 and 17,001

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Solution

The fourth proportional to 30,613.32, 42,246.90 and 17,001 is: 23,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613.32 : 42,246.90 = 17,001 : x
  2. Step 2: Convert to fraction form
    30,613.32/42,246.90 = 17,001/x
  3. Step 3: Cross multiply
    30,613.32x = 42,246.90 × 17,001
  4. Step 4: Simplify right side
    30,613.32x = 718,239,546.90
  5. Step 5: Solve for x
    x = 718,239,546.90/30,613.32
  6. Step 6: Final answer
    x = 23,461.67

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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.