Home / 53,180.99-73,389.48-28,981.94

Finding the Fourth Proportional to 53,180.99, 73,389.48 and 28,981.94

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Solution

The fourth proportional to 53,180.99, 73,389.48 and 28,981.94 is: 39,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.99 : 73,389.48 = 28,981.94 : x
  2. Step 2: Convert to fraction form
    53,180.99/73,389.48 = 28,981.94/x
  3. Step 3: Cross multiply
    53,180.99x = 73,389.48 × 28,981.94
  4. Step 4: Simplify right side
    53,180.99x = 2,126,969,030.36
  5. Step 5: Solve for x
    x = 2,126,969,030.36/53,180.99
  6. Step 6: Final answer
    x = 39,994.91

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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.