Home / 53,015.39-73,161.76-28,816.46

Finding the Fourth Proportional to 53,015.39, 73,161.76 and 28,816.46

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Solution

The fourth proportional to 53,015.39, 73,161.76 and 28,816.46 is: 39,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.39 : 73,161.76 = 28,816.46 : x
  2. Step 2: Convert to fraction form
    53,015.39/73,161.76 = 28,816.46/x
  3. Step 3: Cross multiply
    53,015.39x = 73,161.76 × 28,816.46
  4. Step 4: Simplify right side
    53,015.39x = 2,108,262,740.06
  5. Step 5: Solve for x
    x = 2,108,262,740.06/53,015.39
  6. Step 6: Final answer
    x = 39,767.00

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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.