Home / 30,539.02-42,145.58-17,114.60

Finding the Fourth Proportional to 30,539.02, 42,145.58 and 17,114.60

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Solution

The fourth proportional to 30,539.02, 42,145.58 and 17,114.60 is: 23,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,539.02 : 42,145.58 = 17,114.60 : x
  2. Step 2: Convert to fraction form
    30,539.02/42,145.58 = 17,114.60/x
  3. Step 3: Cross multiply
    30,539.02x = 42,145.58 × 17,114.60
  4. Step 4: Simplify right side
    30,539.02x = 721,304,743.47
  5. Step 5: Solve for x
    x = 721,304,743.47/30,539.02
  6. Step 6: Final answer
    x = 23,619.12

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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.