Home / 31,187.61-46,775.77-8,995.53

Finding the Fourth Proportional to 31,187.61, 46,775.77 and 8,995.53

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Solution

The fourth proportional to 31,187.61, 46,775.77 and 8,995.53 is: 13,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.61 : 46,775.77 = 8,995.53 : x
  2. Step 2: Convert to fraction form
    31,187.61/46,775.77 = 8,995.53/x
  3. Step 3: Cross multiply
    31,187.61x = 46,775.77 × 8,995.53
  4. Step 4: Simplify right side
    31,187.61x = 420,772,842.31
  5. Step 5: Solve for x
    x = 420,772,842.31/31,187.61
  6. Step 6: Final answer
    x = 13,491.67

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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.