Home / 55,809.07-77,029.79-31,949.51

Finding the Fourth Proportional to 55,809.07, 77,029.79 and 31,949.51

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Solution

The fourth proportional to 55,809.07, 77,029.79 and 31,949.51 is: 44,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,809.07 : 77,029.79 = 31,949.51 : x
  2. Step 2: Convert to fraction form
    55,809.07/77,029.79 = 31,949.51/x
  3. Step 3: Cross multiply
    55,809.07x = 77,029.79 × 31,949.51
  4. Step 4: Simplify right side
    55,809.07x = 2,461,063,501.01
  5. Step 5: Solve for x
    x = 2,461,063,501.01/55,809.07
  6. Step 6: Final answer
    x = 44,097.91

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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.