Home / 30,567.40-45,857.70-9,507.04

Finding the Fourth Proportional to 30,567.40, 45,857.70 and 9,507.04

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Solution

The fourth proportional to 30,567.40, 45,857.70 and 9,507.04 is: 14,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.40 : 45,857.70 = 9,507.04 : x
  2. Step 2: Convert to fraction form
    30,567.40/45,857.70 = 9,507.04/x
  3. Step 3: Cross multiply
    30,567.40x = 45,857.70 × 9,507.04
  4. Step 4: Simplify right side
    30,567.40x = 435,970,988.21
  5. Step 5: Solve for x
    x = 435,970,988.21/30,567.40
  6. Step 6: Final answer
    x = 14,262.61

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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.