Home / 52,653.08-72,661.40-28,780.04

Finding the Fourth Proportional to 52,653.08, 72,661.40 and 28,780.04

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Solution

The fourth proportional to 52,653.08, 72,661.40 and 28,780.04 is: 39,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.08 : 72,661.40 = 28,780.04 : x
  2. Step 2: Convert to fraction form
    52,653.08/72,661.40 = 28,780.04/x
  3. Step 3: Cross multiply
    52,653.08x = 72,661.40 × 28,780.04
  4. Step 4: Simplify right side
    52,653.08x = 2,091,197,998.46
  5. Step 5: Solve for x
    x = 2,091,197,998.46/52,653.08
  6. Step 6: Final answer
    x = 39,716.54

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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.