Home / 55,877.48-83,798.39-18,430.57

Finding the Fourth Proportional to 55,877.48, 83,798.39 and 18,430.57

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Solution

The fourth proportional to 55,877.48, 83,798.39 and 18,430.57 is: 27,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877.48 : 83,798.39 = 18,430.57 : x
  2. Step 2: Convert to fraction form
    55,877.48/83,798.39 = 18,430.57/x
  3. Step 3: Cross multiply
    55,877.48x = 83,798.39 × 18,430.57
  4. Step 4: Simplify right side
    55,877.48x = 1,544,452,092.78
  5. Step 5: Solve for x
    x = 1,544,452,092.78/55,877.48
  6. Step 6: Final answer
    x = 27,639.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.