Home / 35,108.12-52,680-20,330.48

Finding the Fourth Proportional to 35,108.12, 52,680 and 20,330.48

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Solution

The fourth proportional to 35,108.12, 52,680 and 20,330.48 is: 30,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,108.12 : 52,680 = 20,330.48 : x
  2. Step 2: Convert to fraction form
    35,108.12/52,680 = 20,330.48/x
  3. Step 3: Cross multiply
    35,108.12x = 52,680 × 20,330.48
  4. Step 4: Simplify right side
    35,108.12x = 1,071,009,686.40
  5. Step 5: Solve for x
    x = 1,071,009,686.40/35,108.12
  6. Step 6: Final answer
    x = 30,506.04

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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.