Home / 52,653.96-72,662.46-28,780.62

Finding the Fourth Proportional to 52,653.96, 72,662.46 and 28,780.62

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Solution

The fourth proportional to 52,653.96, 72,662.46 and 28,780.62 is: 39,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.96 : 72,662.46 = 28,780.62 : x
  2. Step 2: Convert to fraction form
    52,653.96/72,662.46 = 28,780.62/x
  3. Step 3: Cross multiply
    52,653.96x = 72,662.46 × 28,780.62
  4. Step 4: Simplify right side
    52,653.96x = 2,091,270,649.53
  5. Step 5: Solve for x
    x = 2,091,270,649.53/52,653.96
  6. Step 6: Final answer
    x = 39,717.25

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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.