Home / 51,513.12-77,275.80-18,226.32

Finding the Fourth Proportional to 51,513.12, 77,275.80 and 18,226.32

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Solution

The fourth proportional to 51,513.12, 77,275.80 and 18,226.32 is: 27,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,513.12 : 77,275.80 = 18,226.32 : x
  2. Step 2: Convert to fraction form
    51,513.12/77,275.80 = 18,226.32/x
  3. Step 3: Cross multiply
    51,513.12x = 77,275.80 × 18,226.32
  4. Step 4: Simplify right side
    51,513.12x = 1,408,453,459.06
  5. Step 5: Solve for x
    x = 1,408,453,459.06/51,513.12
  6. Step 6: Final answer
    x = 27,341.65

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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.