Home / 53,014.12-73,160.10-29,140.82

Finding the Fourth Proportional to 53,014.12, 73,160.10 and 29,140.82

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Solution

The fourth proportional to 53,014.12, 73,160.10 and 29,140.82 is: 40,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,014.12 : 73,160.10 = 29,140.82 : x
  2. Step 2: Convert to fraction form
    53,014.12/73,160.10 = 29,140.82/x
  3. Step 3: Cross multiply
    53,014.12x = 73,160.10 × 29,140.82
  4. Step 4: Simplify right side
    53,014.12x = 2,131,945,305.28
  5. Step 5: Solve for x
    x = 2,131,945,305.28/53,014.12
  6. Step 6: Final answer
    x = 40,214.67

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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.