Home / 52,403.54-72,317.18-28,530.15

Finding the Fourth Proportional to 52,403.54, 72,317.18 and 28,530.15

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Solution

The fourth proportional to 52,403.54, 72,317.18 and 28,530.15 is: 39,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.54 : 72,317.18 = 28,530.15 : x
  2. Step 2: Convert to fraction form
    52,403.54/72,317.18 = 28,530.15/x
  3. Step 3: Cross multiply
    52,403.54x = 72,317.18 × 28,530.15
  4. Step 4: Simplify right side
    52,403.54x = 2,063,219,850.33
  5. Step 5: Solve for x
    x = 2,063,219,850.33/52,403.54
  6. Step 6: Final answer
    x = 39,371.77

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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.