Home / 53,213.85-73,435.05-29,340.90

Finding the Fourth Proportional to 53,213.85, 73,435.05 and 29,340.90

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Solution

The fourth proportional to 53,213.85, 73,435.05 and 29,340.90 is: 40,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.85 : 73,435.05 = 29,340.90 : x
  2. Step 2: Convert to fraction form
    53,213.85/73,435.05 = 29,340.90/x
  3. Step 3: Cross multiply
    53,213.85x = 73,435.05 × 29,340.90
  4. Step 4: Simplify right side
    53,213.85x = 2,154,650,458.55
  5. Step 5: Solve for x
    x = 2,154,650,458.55/53,213.85
  6. Step 6: Final answer
    x = 40,490.41

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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.