Home / 30,613.28-42,246.29-17,865.50

Finding the Fourth Proportional to 30,613.28, 42,246.29 and 17,865.50

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Solution

The fourth proportional to 30,613.28, 42,246.29 and 17,865.50 is: 24,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613.28 : 42,246.29 = 17,865.50 : x
  2. Step 2: Convert to fraction form
    30,613.28/42,246.29 = 17,865.50/x
  3. Step 3: Cross multiply
    30,613.28x = 42,246.29 × 17,865.50
  4. Step 4: Simplify right side
    30,613.28x = 754,750,927.43
  5. Step 5: Solve for x
    x = 754,750,927.43/30,613.28
  6. Step 6: Final answer
    x = 24,654.37

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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.