Home / 44,939.90-67,386.39-13,345.61

Finding the Fourth Proportional to 44,939.90, 67,386.39 and 13,345.61

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Solution

The fourth proportional to 44,939.90, 67,386.39 and 13,345.61 is: 20,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,939.90 : 67,386.39 = 13,345.61 : x
  2. Step 2: Convert to fraction form
    44,939.90/67,386.39 = 13,345.61/x
  3. Step 3: Cross multiply
    44,939.90x = 67,386.39 × 13,345.61
  4. Step 4: Simplify right side
    44,939.90x = 899,312,480.25
  5. Step 5: Solve for x
    x = 899,312,480.25/44,939.90
  6. Step 6: Final answer
    x = 20,011.45

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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.