Home / 35,484.13-48,962.83-20,377.42

Finding the Fourth Proportional to 35,484.13, 48,962.83 and 20,377.42

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Solution

The fourth proportional to 35,484.13, 48,962.83 and 20,377.42 is: 28,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,484.13 : 48,962.83 = 20,377.42 : x
  2. Step 2: Convert to fraction form
    35,484.13/48,962.83 = 20,377.42/x
  3. Step 3: Cross multiply
    35,484.13x = 48,962.83 × 20,377.42
  4. Step 4: Simplify right side
    35,484.13x = 997,736,291.57
  5. Step 5: Solve for x
    x = 997,736,291.57/35,484.13
  6. Step 6: Final answer
    x = 28,117.82

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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.