Home / 53,310.72-73,568.88-29,438.40

Finding the Fourth Proportional to 53,310.72, 73,568.88 and 29,438.40

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Solution

The fourth proportional to 53,310.72, 73,568.88 and 29,438.40 is: 40,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.72 : 73,568.88 = 29,438.40 : x
  2. Step 2: Convert to fraction form
    53,310.72/73,568.88 = 29,438.40/x
  3. Step 3: Cross multiply
    53,310.72x = 73,568.88 × 29,438.40
  4. Step 4: Simplify right side
    53,310.72x = 2,165,750,116.99
  5. Step 5: Solve for x
    x = 2,165,750,116.99/53,310.72
  6. Step 6: Final answer
    x = 40,625.04

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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.