Home / 30,951.47-42,715.67-17,525.09

Finding the Fourth Proportional to 30,951.47, 42,715.67 and 17,525.09

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Solution

The fourth proportional to 30,951.47, 42,715.67 and 17,525.09 is: 24,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,951.47 : 42,715.67 = 17,525.09 : x
  2. Step 2: Convert to fraction form
    30,951.47/42,715.67 = 17,525.09/x
  3. Step 3: Cross multiply
    30,951.47x = 42,715.67 × 17,525.09
  4. Step 4: Simplify right side
    30,951.47x = 748,595,659.96
  5. Step 5: Solve for x
    x = 748,595,659.96/30,951.47
  6. Step 6: Final answer
    x = 24,186.11

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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.