Home / 51,403.41-77,105.66-18,117.27

Finding the Fourth Proportional to 51,403.41, 77,105.66 and 18,117.27

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Solution

The fourth proportional to 51,403.41, 77,105.66 and 18,117.27 is: 27,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,403.41 : 77,105.66 = 18,117.27 : x
  2. Step 2: Convert to fraction form
    51,403.41/77,105.66 = 18,117.27/x
  3. Step 3: Cross multiply
    51,403.41x = 77,105.66 × 18,117.27
  4. Step 4: Simplify right side
    51,403.41x = 1,396,943,970.16
  5. Step 5: Solve for x
    x = 1,396,943,970.16/51,403.41
  6. Step 6: Final answer
    x = 27,176.10

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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.