Home / 30,466.96-42,046.02-18,371.32

Finding the Fourth Proportional to 30,466.96, 42,046.02 and 18,371.32

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Solution

The fourth proportional to 30,466.96, 42,046.02 and 18,371.32 is: 25,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.96 : 42,046.02 = 18,371.32 : x
  2. Step 2: Convert to fraction form
    30,466.96/42,046.02 = 18,371.32/x
  3. Step 3: Cross multiply
    30,466.96x = 42,046.02 × 18,371.32
  4. Step 4: Simplify right side
    30,466.96x = 772,440,888.15
  5. Step 5: Solve for x
    x = 772,440,888.15/30,466.96
  6. Step 6: Final answer
    x = 25,353.40

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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.