Home / 29,145.03-40,235.49-20,654.16

Finding the Fourth Proportional to 29,145.03, 40,235.49 and 20,654.16

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Solution

The fourth proportional to 29,145.03, 40,235.49 and 20,654.16 is: 28,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.03 : 40,235.49 = 20,654.16 : x
  2. Step 2: Convert to fraction form
    29,145.03/40,235.49 = 20,654.16/x
  3. Step 3: Cross multiply
    29,145.03x = 40,235.49 × 20,654.16
  4. Step 4: Simplify right side
    29,145.03x = 831,030,248.14
  5. Step 5: Solve for x
    x = 831,030,248.14/29,145.03
  6. Step 6: Final answer
    x = 28,513.62

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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.