Home / 30,573.70-42,191.84-17,835.69

Finding the Fourth Proportional to 30,573.70, 42,191.84 and 17,835.69

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Solution

The fourth proportional to 30,573.70, 42,191.84 and 17,835.69 is: 24,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.70 : 42,191.84 = 17,835.69 : x
  2. Step 2: Convert to fraction form
    30,573.70/42,191.84 = 17,835.69/x
  3. Step 3: Cross multiply
    30,573.70x = 42,191.84 × 17,835.69
  4. Step 4: Simplify right side
    30,573.70x = 752,520,681.25
  5. Step 5: Solve for x
    x = 752,520,681.25/30,573.70
  6. Step 6: Final answer
    x = 24,613.33

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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.