Home / 55,407.54-76,443.43-31,528.23

Finding the Fourth Proportional to 55,407.54, 76,443.43 and 31,528.23

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Solution

The fourth proportional to 55,407.54, 76,443.43 and 31,528.23 is: 43,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,407.54 : 76,443.43 = 31,528.23 : x
  2. Step 2: Convert to fraction form
    55,407.54/76,443.43 = 31,528.23/x
  3. Step 3: Cross multiply
    55,407.54x = 76,443.43 × 31,528.23
  4. Step 4: Simplify right side
    55,407.54x = 2,410,126,043.03
  5. Step 5: Solve for x
    x = 2,410,126,043.03/55,407.54
  6. Step 6: Final answer
    x = 43,498.16

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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.