Home / 52,409.16-72,324.20-28,535.80

Finding the Fourth Proportional to 52,409.16, 72,324.20 and 28,535.80

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Solution

The fourth proportional to 52,409.16, 72,324.20 and 28,535.80 is: 39,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409.16 : 72,324.20 = 28,535.80 : x
  2. Step 2: Convert to fraction form
    52,409.16/72,324.20 = 28,535.80/x
  3. Step 3: Cross multiply
    52,409.16x = 72,324.20 × 28,535.80
  4. Step 4: Simplify right side
    52,409.16x = 2,063,828,906.36
  5. Step 5: Solve for x
    x = 2,063,828,906.36/52,409.16
  6. Step 6: Final answer
    x = 39,379.16

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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.