Home / 35,158.04-48,506.03-20,039.79

Finding the Fourth Proportional to 35,158.04, 48,506.03 and 20,039.79

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Solution

The fourth proportional to 35,158.04, 48,506.03 and 20,039.79 is: 27,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,158.04 : 48,506.03 = 20,039.79 : x
  2. Step 2: Convert to fraction form
    35,158.04/48,506.03 = 20,039.79/x
  3. Step 3: Cross multiply
    35,158.04x = 48,506.03 × 20,039.79
  4. Step 4: Simplify right side
    35,158.04x = 972,050,654.93
  5. Step 5: Solve for x
    x = 972,050,654.93/35,158.04
  6. Step 6: Final answer
    x = 27,648.03

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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.