Home / 52,409.39-72,322.54-28,535.99

Finding the Fourth Proportional to 52,409.39, 72,322.54 and 28,535.99

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Solution

The fourth proportional to 52,409.39, 72,322.54 and 28,535.99 is: 39,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409.39 : 72,322.54 = 28,535.99 : x
  2. Step 2: Convert to fraction form
    52,409.39/72,322.54 = 28,535.99/x
  3. Step 3: Cross multiply
    52,409.39x = 72,322.54 × 28,535.99
  4. Step 4: Simplify right side
    52,409.39x = 2,063,794,845.26
  5. Step 5: Solve for x
    x = 2,063,794,845.26/52,409.39
  6. Step 6: Final answer
    x = 39,378.35

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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.