Home / 30,654.02-42,303.28-17,224.48

Finding the Fourth Proportional to 30,654.02, 42,303.28 and 17,224.48

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Solution

The fourth proportional to 30,654.02, 42,303.28 and 17,224.48 is: 23,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.02 : 42,303.28 = 17,224.48 : x
  2. Step 2: Convert to fraction form
    30,654.02/42,303.28 = 17,224.48/x
  3. Step 3: Cross multiply
    30,654.02x = 42,303.28 × 17,224.48
  4. Step 4: Simplify right side
    30,654.02x = 728,652,000.29
  5. Step 5: Solve for x
    x = 728,652,000.29/30,654.02
  6. Step 6: Final answer
    x = 23,770.19

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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.