Home / 55,815.19-77,026.34-31,949.55

Finding the Fourth Proportional to 55,815.19, 77,026.34 and 31,949.55

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Solution

The fourth proportional to 55,815.19, 77,026.34 and 31,949.55 is: 44,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.19 : 77,026.34 = 31,949.55 : x
  2. Step 2: Convert to fraction form
    55,815.19/77,026.34 = 31,949.55/x
  3. Step 3: Cross multiply
    55,815.19x = 77,026.34 × 31,949.55
  4. Step 4: Simplify right side
    55,815.19x = 2,460,956,741.40
  5. Step 5: Solve for x
    x = 2,460,956,741.40/55,815.19
  6. Step 6: Final answer
    x = 44,091.17

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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.