Home / 55,453.51-76,525.74-31,580.18

Finding the Fourth Proportional to 55,453.51, 76,525.74 and 31,580.18

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Solution

The fourth proportional to 55,453.51, 76,525.74 and 31,580.18 is: 43,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,453.51 : 76,525.74 = 31,580.18 : x
  2. Step 2: Convert to fraction form
    55,453.51/76,525.74 = 31,580.18/x
  3. Step 3: Cross multiply
    55,453.51x = 76,525.74 × 31,580.18
  4. Step 4: Simplify right side
    55,453.51x = 2,416,696,643.83
  5. Step 5: Solve for x
    x = 2,416,696,643.83/55,453.51
  6. Step 6: Final answer
    x = 43,580.59

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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.