Home / 44,913.40-67,345.80-18,620.80

Finding the Fourth Proportional to 44,913.40, 67,345.80 and 18,620.80

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Solution

The fourth proportional to 44,913.40, 67,345.80 and 18,620.80 is: 27,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,913.40 : 67,345.80 = 18,620.80 : x
  2. Step 2: Convert to fraction form
    44,913.40/67,345.80 = 18,620.80/x
  3. Step 3: Cross multiply
    44,913.40x = 67,345.80 × 18,620.80
  4. Step 4: Simplify right side
    44,913.40x = 1,254,032,672.64
  5. Step 5: Solve for x
    x = 1,254,032,672.64/44,913.40
  6. Step 6: Final answer
    x = 27,921.13

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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.