Home / 29,478.42-40,679.28-17,539.02

Finding the Fourth Proportional to 29,478.42, 40,679.28 and 17,539.02

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Solution

The fourth proportional to 29,478.42, 40,679.28 and 17,539.02 is: 24,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.42 : 40,679.28 = 17,539.02 : x
  2. Step 2: Convert to fraction form
    29,478.42/40,679.28 = 17,539.02/x
  3. Step 3: Cross multiply
    29,478.42x = 40,679.28 × 17,539.02
  4. Step 4: Simplify right side
    29,478.42x = 713,474,705.51
  5. Step 5: Solve for x
    x = 713,474,705.51/29,478.42
  6. Step 6: Final answer
    x = 24,203.29

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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.