Home / 31,215.63-46,828.10-11,492.67

Finding the Fourth Proportional to 31,215.63, 46,828.10 and 11,492.67

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Solution

The fourth proportional to 31,215.63, 46,828.10 and 11,492.67 is: 17,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.63 : 46,828.10 = 11,492.67 : x
  2. Step 2: Convert to fraction form
    31,215.63/46,828.10 = 11,492.67/x
  3. Step 3: Cross multiply
    31,215.63x = 46,828.10 × 11,492.67
  4. Step 4: Simplify right side
    31,215.63x = 538,179,900.03
  5. Step 5: Solve for x
    x = 538,179,900.03/31,215.63
  6. Step 6: Final answer
    x = 17,240.72

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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.