Home / 30,197.69-45,312.82-17,742.04

Finding the Fourth Proportional to 30,197.69, 45,312.82 and 17,742.04

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Solution

The fourth proportional to 30,197.69, 45,312.82 and 17,742.04 is: 26,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.69 : 45,312.82 = 17,742.04 : x
  2. Step 2: Convert to fraction form
    30,197.69/45,312.82 = 17,742.04/x
  3. Step 3: Cross multiply
    30,197.69x = 45,312.82 × 17,742.04
  4. Step 4: Simplify right side
    30,197.69x = 803,941,707.32
  5. Step 5: Solve for x
    x = 803,941,707.32/30,197.69
  6. Step 6: Final answer
    x = 26,622.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.