Home / 53,886.57-74,363.41-31,238.67

Finding the Fourth Proportional to 53,886.57, 74,363.41 and 31,238.67

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Solution

The fourth proportional to 53,886.57, 74,363.41 and 31,238.67 is: 43,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.57 : 74,363.41 = 31,238.67 : x
  2. Step 2: Convert to fraction form
    53,886.57/74,363.41 = 31,238.67/x
  3. Step 3: Cross multiply
    53,886.57x = 74,363.41 × 31,238.67
  4. Step 4: Simplify right side
    53,886.57x = 2,323,013,868.87
  5. Step 5: Solve for x
    x = 2,323,013,868.87/53,886.57
  6. Step 6: Final answer
    x = 43,109.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.