Home / 52,788.99-72,828.54-30,129.24

Finding the Fourth Proportional to 52,788.99, 72,828.54 and 30,129.24

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Solution

The fourth proportional to 52,788.99, 72,828.54 and 30,129.24 is: 41,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.99 : 72,828.54 = 30,129.24 : x
  2. Step 2: Convert to fraction form
    52,788.99/72,828.54 = 30,129.24/x
  3. Step 3: Cross multiply
    52,788.99x = 72,828.54 × 30,129.24
  4. Step 4: Simplify right side
    52,788.99x = 2,194,268,560.51
  5. Step 5: Solve for x
    x = 2,194,268,560.51/52,788.99
  6. Step 6: Final answer
    x = 41,566.78

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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.