Home / 30,506.03-42,099.20-17,077.20

Finding the Fourth Proportional to 30,506.03, 42,099.20 and 17,077.20

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Solution

The fourth proportional to 30,506.03, 42,099.20 and 17,077.20 is: 23,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506.03 : 42,099.20 = 17,077.20 : x
  2. Step 2: Convert to fraction form
    30,506.03/42,099.20 = 17,077.20/x
  3. Step 3: Cross multiply
    30,506.03x = 42,099.20 × 17,077.20
  4. Step 4: Simplify right side
    30,506.03x = 718,936,458.24
  5. Step 5: Solve for x
    x = 718,936,458.24/30,506.03
  6. Step 6: Final answer
    x = 23,567.03

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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.