Home / 52,648.14-72,654.42-28,774.90

Finding the Fourth Proportional to 52,648.14, 72,654.42 and 28,774.90

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Solution

The fourth proportional to 52,648.14, 72,654.42 and 28,774.90 is: 39,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.14 : 72,654.42 = 28,774.90 : x
  2. Step 2: Convert to fraction form
    52,648.14/72,654.42 = 28,774.90/x
  3. Step 3: Cross multiply
    52,648.14x = 72,654.42 × 28,774.90
  4. Step 4: Simplify right side
    52,648.14x = 2,090,623,670.06
  5. Step 5: Solve for x
    x = 2,090,623,670.06/52,648.14
  6. Step 6: Final answer
    x = 39,709.35

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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.