Home / 55,509.29-76,603.43-30,358.25

Finding the Fourth Proportional to 55,509.29, 76,603.43 and 30,358.25

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Solution

The fourth proportional to 55,509.29, 76,603.43 and 30,358.25 is: 41,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.29 : 76,603.43 = 30,358.25 : x
  2. Step 2: Convert to fraction form
    55,509.29/76,603.43 = 30,358.25/x
  3. Step 3: Cross multiply
    55,509.29x = 76,603.43 × 30,358.25
  4. Step 4: Simplify right side
    55,509.29x = 2,325,545,927.01
  5. Step 5: Solve for x
    x = 2,325,545,927.01/55,509.29
  6. Step 6: Final answer
    x = 41,894.72

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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.