Home / 55,606.36-76,737.54-30,456.04

Finding the Fourth Proportional to 55,606.36, 76,737.54 and 30,456.04

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Solution

The fourth proportional to 55,606.36, 76,737.54 and 30,456.04 is: 42,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606.36 : 76,737.54 = 30,456.04 : x
  2. Step 2: Convert to fraction form
    55,606.36/76,737.54 = 30,456.04/x
  3. Step 3: Cross multiply
    55,606.36x = 76,737.54 × 30,456.04
  4. Step 4: Simplify right side
    55,606.36x = 2,337,121,587.74
  5. Step 5: Solve for x
    x = 2,337,121,587.74/55,606.36
  6. Step 6: Final answer
    x = 42,029.75

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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.