Home / 30,672.12-42,328.35-17,244.60

Finding the Fourth Proportional to 30,672.12, 42,328.35 and 17,244.60

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Solution

The fourth proportional to 30,672.12, 42,328.35 and 17,244.60 is: 23,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.12 : 42,328.35 = 17,244.60 : x
  2. Step 2: Convert to fraction form
    30,672.12/42,328.35 = 17,244.60/x
  3. Step 3: Cross multiply
    30,672.12x = 42,328.35 × 17,244.60
  4. Step 4: Simplify right side
    30,672.12x = 729,935,464.41
  5. Step 5: Solve for x
    x = 729,935,464.41/30,672.12
  6. Step 6: Final answer
    x = 23,798.01

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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.