Home / 34,686.30-52,042.47-20,654.40

Finding the Fourth Proportional to 34,686.30, 52,042.47 and 20,654.40

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Solution

The fourth proportional to 34,686.30, 52,042.47 and 20,654.40 is: 30,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.30 : 52,042.47 = 20,654.40 : x
  2. Step 2: Convert to fraction form
    34,686.30/52,042.47 = 20,654.40/x
  3. Step 3: Cross multiply
    34,686.30x = 52,042.47 × 20,654.40
  4. Step 4: Simplify right side
    34,686.30x = 1,074,905,992.37
  5. Step 5: Solve for x
    x = 1,074,905,992.37/34,686.30
  6. Step 6: Final answer
    x = 30,989.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.