Home / 55,435.48-76,501.20-30,285.52

Finding the Fourth Proportional to 55,435.48, 76,501.20 and 30,285.52

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Solution

The fourth proportional to 55,435.48, 76,501.20 and 30,285.52 is: 41,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,435.48 : 76,501.20 = 30,285.52 : x
  2. Step 2: Convert to fraction form
    55,435.48/76,501.20 = 30,285.52/x
  3. Step 3: Cross multiply
    55,435.48x = 76,501.20 × 30,285.52
  4. Step 4: Simplify right side
    55,435.48x = 2,316,878,622.62
  5. Step 5: Solve for x
    x = 2,316,878,622.62/55,435.48
  6. Step 6: Final answer
    x = 41,794.15

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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.