Home / 51,505.36-77,260.23-18,225.70

Finding the Fourth Proportional to 51,505.36, 77,260.23 and 18,225.70

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Solution

The fourth proportional to 51,505.36, 77,260.23 and 18,225.70 is: 27,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.36 : 77,260.23 = 18,225.70 : x
  2. Step 2: Convert to fraction form
    51,505.36/77,260.23 = 18,225.70/x
  3. Step 3: Cross multiply
    51,505.36x = 77,260.23 × 18,225.70
  4. Step 4: Simplify right side
    51,505.36x = 1,408,121,580.76
  5. Step 5: Solve for x
    x = 1,408,121,580.76/51,505.36
  6. Step 6: Final answer
    x = 27,339.32

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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.